Home / 10,389,780.20-14,337,916.12-5,806,101.56

Finding the Fourth Proportional to 10,389,780.20, 14,337,916.12 and 5,806,101.56

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Solution

The fourth proportional to 10,389,780.20, 14,337,916.12 and 5,806,101.56 is: 8,012,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,780.20 : 14,337,916.12 = 5,806,101.56 : x
  2. Step 2: Convert to fraction form
    10,389,780.20/14,337,916.12 = 5,806,101.56/x
  3. Step 3: Cross multiply
    10,389,780.20x = 14,337,916.12 × 5,806,101.56
  4. Step 4: Simplify right side
    10,389,780.20x = 83,247,397,151,481.14
  5. Step 5: Solve for x
    x = 83,247,397,151,481.14/10,389,780.20
  6. Step 6: Final answer
    x = 8,012,431.02

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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.