Home / 10,307,072.10-15,460,608.15-9,315,048.90

Finding the Fourth Proportional to 10,307,072.10, 15,460,608.15 and 9,315,048.90

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Solution

The fourth proportional to 10,307,072.10, 15,460,608.15 and 9,315,048.90 is: 13,972,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,072.10 : 15,460,608.15 = 9,315,048.90 : x
  2. Step 2: Convert to fraction form
    10,307,072.10/15,460,608.15 = 9,315,048.90/x
  3. Step 3: Cross multiply
    10,307,072.10x = 15,460,608.15 × 9,315,048.90
  4. Step 4: Simplify right side
    10,307,072.10x = 144,016,320,940,988.53
  5. Step 5: Solve for x
    x = 144,016,320,940,988.53/10,307,072.10
  6. Step 6: Final answer
    x = 13,972,573.35

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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.