Home / 28,921,023.66-39,911,008.30-16,531,383.10

Finding the Fourth Proportional to 28,921,023.66, 39,911,008.30 and 16,531,383.10

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Solution

The fourth proportional to 28,921,023.66, 39,911,008.30 and 16,531,383.10 is: 22,813,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,023.66 : 39,911,008.30 = 16,531,383.10 : x
  2. Step 2: Convert to fraction form
    28,921,023.66/39,911,008.30 = 16,531,383.10/x
  3. Step 3: Cross multiply
    28,921,023.66x = 39,911,008.30 × 16,531,383.10
  4. Step 4: Simplify right side
    28,921,023.66x = 659,784,168,114,579.62
  5. Step 5: Solve for x
    x = 659,784,168,114,579.62/28,921,023.66
  6. Step 6: Final answer
    x = 22,813,306.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.