Home / 28,522,024.20-42,783,036.30-11,473,921.80

Finding the Fourth Proportional to 28,522,024.20, 42,783,036.30 and 11,473,921.80

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Solution

The fourth proportional to 28,522,024.20, 42,783,036.30 and 11,473,921.80 is: 17,210,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,024.20 : 42,783,036.30 = 11,473,921.80 : x
  2. Step 2: Convert to fraction form
    28,522,024.20/42,783,036.30 = 11,473,921.80/x
  3. Step 3: Cross multiply
    28,522,024.20x = 42,783,036.30 × 11,473,921.80
  4. Step 4: Simplify right side
    28,522,024.20x = 490,889,212,872,761.31
  5. Step 5: Solve for x
    x = 490,889,212,872,761.31/28,522,024.20
  6. Step 6: Final answer
    x = 17,210,882.70

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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.