Home / 9,287,099.96-12,815,766.95-5,157,393.12

Finding the Fourth Proportional to 9,287,099.96, 12,815,766.95 and 5,157,393.12

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Solution

The fourth proportional to 9,287,099.96, 12,815,766.95 and 5,157,393.12 is: 7,116,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,099.96 : 12,815,766.95 = 5,157,393.12 : x
  2. Step 2: Convert to fraction form
    9,287,099.96/12,815,766.95 = 5,157,393.12/x
  3. Step 3: Cross multiply
    9,287,099.96x = 12,815,766.95 × 5,157,393.12
  4. Step 4: Simplify right side
    9,287,099.96x = 66,095,948,269,666.42
  5. Step 5: Solve for x
    x = 66,095,948,269,666.42/9,287,099.96
  6. Step 6: Final answer
    x = 7,116,963.16

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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.