Home / 8,442,169-12,602,124.61-7,420,665.04

Finding the Fourth Proportional to 8,442,169, 12,602,124.61 and 7,420,665.04

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Solution

The fourth proportional to 8,442,169, 12,602,124.61 and 7,420,665.04 is: 11,077,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,169 : 12,602,124.61 = 7,420,665.04 : x
  2. Step 2: Convert to fraction form
    8,442,169/12,602,124.61 = 7,420,665.04/x
  3. Step 3: Cross multiply
    8,442,169x = 12,602,124.61 × 7,420,665.04
  4. Step 4: Simplify right side
    8,442,169x = 93,516,145,523,150.62
  5. Step 5: Solve for x
    x = 93,516,145,523,150.62/8,442,169
  6. Step 6: Final answer
    x = 11,077,265.28

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.