Home / 8,375,638.16-12,565,476.98-2,909,937.46

Finding the Fourth Proportional to 8,375,638.16, 12,565,476.98 and 2,909,937.46

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Solution

The fourth proportional to 8,375,638.16, 12,565,476.98 and 2,909,937.46 is: 4,365,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,638.16 : 12,565,476.98 = 2,909,937.46 : x
  2. Step 2: Convert to fraction form
    8,375,638.16/12,565,476.98 = 2,909,937.46/x
  3. Step 3: Cross multiply
    8,375,638.16x = 12,565,476.98 × 2,909,937.46
  4. Step 4: Simplify right side
    8,375,638.16x = 36,564,752,166,869.67
  5. Step 5: Solve for x
    x = 36,564,752,166,869.67/8,375,638.16
  6. Step 6: Final answer
    x = 4,365,607.91

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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.