Home / 19,432,830.40-29,149,245.60-15,653,694.40

Finding the Fourth Proportional to 19,432,830.40, 29,149,245.60 and 15,653,694.40

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Solution

The fourth proportional to 19,432,830.40, 29,149,245.60 and 15,653,694.40 is: 23,480,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,830.40 : 29,149,245.60 = 15,653,694.40 : x
  2. Step 2: Convert to fraction form
    19,432,830.40/29,149,245.60 = 15,653,694.40/x
  3. Step 3: Cross multiply
    19,432,830.40x = 29,149,245.60 × 15,653,694.40
  4. Step 4: Simplify right side
    19,432,830.40x = 456,293,382,612,944.69
  5. Step 5: Solve for x
    x = 456,293,382,612,944.69/19,432,830.40
  6. Step 6: Final answer
    x = 23,480,541.60

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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.