Home / 11,585,534.41-15,988,784.83-6,428,895.96

Finding the Fourth Proportional to 11,585,534.41, 15,988,784.83 and 6,428,895.96

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Solution

The fourth proportional to 11,585,534.41, 15,988,784.83 and 6,428,895.96 is: 8,872,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585,534.41 : 15,988,784.83 = 6,428,895.96 : x
  2. Step 2: Convert to fraction form
    11,585,534.41/15,988,784.83 = 6,428,895.96/x
  3. Step 3: Cross multiply
    11,585,534.41x = 15,988,784.83 × 6,428,895.96
  4. Step 4: Simplify right side
    11,585,534.41x = 102,790,234,215,886.80
  5. Step 5: Solve for x
    x = 102,790,234,215,886.80/11,585,534.41
  6. Step 6: Final answer
    x = 8,872,291.13

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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.