Home / 18,789,834.06-28,174,494.06-5,657,336.46

Finding the Fourth Proportional to 18,789,834.06, 28,174,494.06 and 5,657,336.46

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Solution

The fourth proportional to 18,789,834.06, 28,174,494.06 and 5,657,336.46 is: 8,482,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,834.06 : 28,174,494.06 = 5,657,336.46 : x
  2. Step 2: Convert to fraction form
    18,789,834.06/28,174,494.06 = 5,657,336.46/x
  3. Step 3: Cross multiply
    18,789,834.06x = 28,174,494.06 × 5,657,336.46
  4. Step 4: Simplify right side
    18,789,834.06x = 159,392,592,487,691.41
  5. Step 5: Solve for x
    x = 159,392,592,487,691.41/18,789,834.06
  6. Step 6: Final answer
    x = 8,482,916.45

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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.