Home / 19,356,005.20-29,034,007.80-15,772,824.40

Finding the Fourth Proportional to 19,356,005.20, 29,034,007.80 and 15,772,824.40

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Solution

The fourth proportional to 19,356,005.20, 29,034,007.80 and 15,772,824.40 is: 23,659,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356,005.20 : 29,034,007.80 = 15,772,824.40 : x
  2. Step 2: Convert to fraction form
    19,356,005.20/29,034,007.80 = 15,772,824.40/x
  3. Step 3: Cross multiply
    19,356,005.20x = 29,034,007.80 × 15,772,824.40
  4. Step 4: Simplify right side
    19,356,005.20x = 457,948,306,657,630.31
  5. Step 5: Solve for x
    x = 457,948,306,657,630.31/19,356,005.20
  6. Step 6: Final answer
    x = 23,659,236.60

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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.