Home / 12,358,850.90-18,538,276.35-10,492,610.90

Finding the Fourth Proportional to 12,358,850.90, 18,538,276.35 and 10,492,610.90

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Solution

The fourth proportional to 12,358,850.90, 18,538,276.35 and 10,492,610.90 is: 15,738,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,850.90 : 18,538,276.35 = 10,492,610.90 : x
  2. Step 2: Convert to fraction form
    12,358,850.90/18,538,276.35 = 10,492,610.90/x
  3. Step 3: Cross multiply
    12,358,850.90x = 18,538,276.35 × 10,492,610.90
  4. Step 4: Simplify right side
    12,358,850.90x = 194,514,920,497,222.25
  5. Step 5: Solve for x
    x = 194,514,920,497,222.25/12,358,850.90
  6. Step 6: Final answer
    x = 15,738,916.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.