Home / 19,956,490.80-29,934,736.20-15,651,818.70

Finding the Fourth Proportional to 19,956,490.80, 29,934,736.20 and 15,651,818.70

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Solution

The fourth proportional to 19,956,490.80, 29,934,736.20 and 15,651,818.70 is: 23,477,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,490.80 : 29,934,736.20 = 15,651,818.70 : x
  2. Step 2: Convert to fraction form
    19,956,490.80/29,934,736.20 = 15,651,818.70/x
  3. Step 3: Cross multiply
    19,956,490.80x = 29,934,736.20 × 15,651,818.70
  4. Step 4: Simplify right side
    19,956,490.80x = 468,533,063,834,726.88
  5. Step 5: Solve for x
    x = 468,533,063,834,726.88/19,956,490.80
  6. Step 6: Final answer
    x = 23,477,728.05

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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.