Home / 9,712,641.78-13,403,094.34-5,361,634.66

Finding the Fourth Proportional to 9,712,641.78, 13,403,094.34 and 5,361,634.66

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Solution

The fourth proportional to 9,712,641.78, 13,403,094.34 and 5,361,634.66 is: 7,398,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,641.78 : 13,403,094.34 = 5,361,634.66 : x
  2. Step 2: Convert to fraction form
    9,712,641.78/13,403,094.34 = 5,361,634.66/x
  3. Step 3: Cross multiply
    9,712,641.78x = 13,403,094.34 × 5,361,634.66
  4. Step 4: Simplify right side
    9,712,641.78x = 71,862,495,164,593.83
  5. Step 5: Solve for x
    x = 71,862,495,164,593.83/9,712,641.78
  6. Step 6: Final answer
    x = 7,398,861.89

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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.