Home / 10,208,970.87-15,341,576.27-5,420,244.39

Finding the Fourth Proportional to 10,208,970.87, 15,341,576.27 and 5,420,244.39

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Solution

The fourth proportional to 10,208,970.87, 15,341,576.27 and 5,420,244.39 is: 8,145,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,970.87 : 15,341,576.27 = 5,420,244.39 : x
  2. Step 2: Convert to fraction form
    10,208,970.87/15,341,576.27 = 5,420,244.39/x
  3. Step 3: Cross multiply
    10,208,970.87x = 15,341,576.27 × 5,420,244.39
  4. Step 4: Simplify right side
    10,208,970.87x = 83,155,092,684,123.41
  5. Step 5: Solve for x
    x = 83,155,092,684,123.41/10,208,970.87
  6. Step 6: Final answer
    x = 8,145,296.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.