Home / 7,931,650.38-11,893,801.38-6,411,597.90

Finding the Fourth Proportional to 7,931,650.38, 11,893,801.38 and 6,411,597.90

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Solution

The fourth proportional to 7,931,650.38, 11,893,801.38 and 6,411,597.90 is: 9,614,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,650.38 : 11,893,801.38 = 6,411,597.90 : x
  2. Step 2: Convert to fraction form
    7,931,650.38/11,893,801.38 = 6,411,597.90/x
  3. Step 3: Cross multiply
    7,931,650.38x = 11,893,801.38 × 6,411,597.90
  4. Step 4: Simplify right side
    7,931,650.38x = 76,258,271,951,025.11
  5. Step 5: Solve for x
    x = 76,258,271,951,025.11/7,931,650.38
  6. Step 6: Final answer
    x = 9,614,426.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.