Home / 28,520,759.79-39,363,679.53-16,924,717.17

Finding the Fourth Proportional to 28,520,759.79, 39,363,679.53 and 16,924,717.17

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Solution

The fourth proportional to 28,520,759.79, 39,363,679.53 and 16,924,717.17 is: 23,359,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,759.79 : 39,363,679.53 = 16,924,717.17 : x
  2. Step 2: Convert to fraction form
    28,520,759.79/39,363,679.53 = 16,924,717.17/x
  3. Step 3: Cross multiply
    28,520,759.79x = 39,363,679.53 × 16,924,717.17
  4. Step 4: Simplify right side
    28,520,759.79x = 666,219,142,815,768.62
  5. Step 5: Solve for x
    x = 666,219,142,815,768.62/28,520,759.79
  6. Step 6: Final answer
    x = 23,359,095.19

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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.