Home / 20,506,348.76-30,762,581.28-7,551,503.12

Finding the Fourth Proportional to 20,506,348.76, 30,762,581.28 and 7,551,503.12

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Solution

The fourth proportional to 20,506,348.76, 30,762,581.28 and 7,551,503.12 is: 11,328,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,348.76 : 30,762,581.28 = 7,551,503.12 : x
  2. Step 2: Convert to fraction form
    20,506,348.76/30,762,581.28 = 7,551,503.12/x
  3. Step 3: Cross multiply
    20,506,348.76x = 30,762,581.28 × 7,551,503.12
  4. Step 4: Simplify right side
    20,506,348.76x = 232,303,728,515,173.59
  5. Step 5: Solve for x
    x = 232,303,728,515,173.59/20,506,348.76
  6. Step 6: Final answer
    x = 11,328,380.85

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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.