Home / 28,355,141.20-42,532,711.80-23,631,221.20

Finding the Fourth Proportional to 28,355,141.20, 42,532,711.80 and 23,631,221.20

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Solution

The fourth proportional to 28,355,141.20, 42,532,711.80 and 23,631,221.20 is: 35,446,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,141.20 : 42,532,711.80 = 23,631,221.20 : x
  2. Step 2: Convert to fraction form
    28,355,141.20/42,532,711.80 = 23,631,221.20/x
  3. Step 3: Cross multiply
    28,355,141.20x = 42,532,711.80 × 23,631,221.20
  4. Step 4: Simplify right side
    28,355,141.20x = 1,005,099,920,781,650
  5. Step 5: Solve for x
    x = 1,005,099,920,781,650/28,355,141.20
  6. Step 6: Final answer
    x = 35,446,831.80

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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.