Home / 28,520,744.04-39,363,657.75-16,924,701.42

Finding the Fourth Proportional to 28,520,744.04, 39,363,657.75 and 16,924,701.42

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Solution

The fourth proportional to 28,520,744.04, 39,363,657.75 and 16,924,701.42 is: 23,359,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,744.04 : 39,363,657.75 = 16,924,701.42 : x
  2. Step 2: Convert to fraction form
    28,520,744.04/39,363,657.75 = 16,924,701.42/x
  3. Step 3: Cross multiply
    28,520,744.04x = 39,363,657.75 × 16,924,701.42
  4. Step 4: Simplify right side
    28,520,744.04x = 666,218,154,217,819.12
  5. Step 5: Solve for x
    x = 666,218,154,217,819.12/28,520,744.04
  6. Step 6: Final answer
    x = 23,359,073.43

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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.