Home / 20,581,177.61-30,875,123.49-8,447,384.49

Finding the Fourth Proportional to 20,581,177.61, 30,875,123.49 and 8,447,384.49

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Solution

The fourth proportional to 20,581,177.61, 30,875,123.49 and 8,447,384.49 is: 12,672,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,177.61 : 30,875,123.49 = 8,447,384.49 : x
  2. Step 2: Convert to fraction form
    20,581,177.61/30,875,123.49 = 8,447,384.49/x
  3. Step 3: Cross multiply
    20,581,177.61x = 30,875,123.49 × 8,447,384.49
  4. Step 4: Simplify right side
    20,581,177.61x = 260,814,039,373,448.47
  5. Step 5: Solve for x
    x = 260,814,039,373,448.47/20,581,177.61
  6. Step 6: Final answer
    x = 12,672,454.63

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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.