Home / 9,121,640.16-12,587,006.16-6,175,464.18

Finding the Fourth Proportional to 9,121,640.16, 12,587,006.16 and 6,175,464.18

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Solution

The fourth proportional to 9,121,640.16, 12,587,006.16 and 6,175,464.18 is: 8,521,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,640.16 : 12,587,006.16 = 6,175,464.18 : x
  2. Step 2: Convert to fraction form
    9,121,640.16/12,587,006.16 = 6,175,464.18/x
  3. Step 3: Cross multiply
    9,121,640.16x = 12,587,006.16 × 6,175,464.18
  4. Step 4: Simplify right side
    9,121,640.16x = 77,730,605,674,519.34
  5. Step 5: Solve for x
    x = 77,730,605,674,519.34/9,121,640.16
  6. Step 6: Final answer
    x = 8,521,560.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.