Home / 12,961,085.10-19,441,627.65-8,153,184.30

Finding the Fourth Proportional to 12,961,085.10, 19,441,627.65 and 8,153,184.30

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Solution

The fourth proportional to 12,961,085.10, 19,441,627.65 and 8,153,184.30 is: 12,229,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,085.10 : 19,441,627.65 = 8,153,184.30 : x
  2. Step 2: Convert to fraction form
    12,961,085.10/19,441,627.65 = 8,153,184.30/x
  3. Step 3: Cross multiply
    12,961,085.10x = 19,441,627.65 × 8,153,184.30
  4. Step 4: Simplify right side
    12,961,085.10x = 158,511,173,322,425.88
  5. Step 5: Solve for x
    x = 158,511,173,322,425.88/12,961,085.10
  6. Step 6: Final answer
    x = 12,229,776.45

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Double scale
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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.