Home / 12,455,714.40-18,683,571.60-10,776,098.40

Finding the Fourth Proportional to 12,455,714.40, 18,683,571.60 and 10,776,098.40

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Solution

The fourth proportional to 12,455,714.40, 18,683,571.60 and 10,776,098.40 is: 16,164,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,714.40 : 18,683,571.60 = 10,776,098.40 : x
  2. Step 2: Convert to fraction form
    12,455,714.40/18,683,571.60 = 10,776,098.40/x
  3. Step 3: Cross multiply
    12,455,714.40x = 18,683,571.60 × 10,776,098.40
  4. Step 4: Simplify right side
    12,455,714.40x = 201,336,006,025,045.47
  5. Step 5: Solve for x
    x = 201,336,006,025,045.47/12,455,714.40
  6. Step 6: Final answer
    x = 16,164,147.60

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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.