Home / 10,306,232.20-15,459,348.30-9,361,448.20

Finding the Fourth Proportional to 10,306,232.20, 15,459,348.30 and 9,361,448.20

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Solution

The fourth proportional to 10,306,232.20, 15,459,348.30 and 9,361,448.20 is: 14,042,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,232.20 : 15,459,348.30 = 9,361,448.20 : x
  2. Step 2: Convert to fraction form
    10,306,232.20/15,459,348.30 = 9,361,448.20/x
  3. Step 3: Cross multiply
    10,306,232.20x = 15,459,348.30 × 9,361,448.20
  4. Step 4: Simplify right side
    10,306,232.20x = 144,721,888,316,208.06
  5. Step 5: Solve for x
    x = 144,721,888,316,208.06/10,306,232.20
  6. Step 6: Final answer
    x = 14,042,172.30

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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.