Home / 28,381,687.20-42,572,530.80-19,423,735.20

Finding the Fourth Proportional to 28,381,687.20, 42,572,530.80 and 19,423,735.20

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Solution

The fourth proportional to 28,381,687.20, 42,572,530.80 and 19,423,735.20 is: 29,135,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,687.20 : 42,572,530.80 = 19,423,735.20 : x
  2. Step 2: Convert to fraction form
    28,381,687.20/42,572,530.80 = 19,423,735.20/x
  3. Step 3: Cross multiply
    28,381,687.20x = 42,572,530.80 × 19,423,735.20
  4. Step 4: Simplify right side
    28,381,687.20x = 826,917,565,053,044.12
  5. Step 5: Solve for x
    x = 826,917,565,053,044.12/28,381,687.20
  6. Step 6: Final answer
    x = 29,135,602.80

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1.5x scale

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.