Home / 11,587,868.16-15,990,513.12-6,431,233.20

Finding the Fourth Proportional to 11,587,868.16, 15,990,513.12 and 6,431,233.20

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Solution

The fourth proportional to 11,587,868.16, 15,990,513.12 and 6,431,233.20 is: 8,874,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587,868.16 : 15,990,513.12 = 6,431,233.20 : x
  2. Step 2: Convert to fraction form
    11,587,868.16/15,990,513.12 = 6,431,233.20/x
  3. Step 3: Cross multiply
    11,587,868.16x = 15,990,513.12 × 6,431,233.20
  4. Step 4: Simplify right side
    11,587,868.16x = 102,838,718,862,379.58
  5. Step 5: Solve for x
    x = 102,838,718,862,379.58/11,587,868.16
  6. Step 6: Final answer
    x = 8,874,688.38

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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.