Home / 5,355,044.17-7,389,885.35-3,031,876.78

Finding the Fourth Proportional to 5,355,044.17, 7,389,885.35 and 3,031,876.78

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Solution

The fourth proportional to 5,355,044.17, 7,389,885.35 and 3,031,876.78 is: 4,183,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,044.17 : 7,389,885.35 = 3,031,876.78 : x
  2. Step 2: Convert to fraction form
    5,355,044.17/7,389,885.35 = 3,031,876.78/x
  3. Step 3: Cross multiply
    5,355,044.17x = 7,389,885.35 × 3,031,876.78
  4. Step 4: Simplify right side
    5,355,044.17x = 22,405,221,799,527.17
  5. Step 5: Solve for x
    x = 22,405,221,799,527.17/5,355,044.17
  6. Step 6: Final answer
    x = 4,183,947.15

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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.