Home / 18,572,003.60-27,858,005.40-5,792,487.80

Finding the Fourth Proportional to 18,572,003.60, 27,858,005.40 and 5,792,487.80

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Solution

The fourth proportional to 18,572,003.60, 27,858,005.40 and 5,792,487.80 is: 8,688,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572,003.60 : 27,858,005.40 = 5,792,487.80 : x
  2. Step 2: Convert to fraction form
    18,572,003.60/27,858,005.40 = 5,792,487.80/x
  3. Step 3: Cross multiply
    18,572,003.60x = 27,858,005.40 × 5,792,487.80
  4. Step 4: Simplify right side
    18,572,003.60x = 161,367,156,411,834.09
  5. Step 5: Solve for x
    x = 161,367,156,411,834.09/18,572,003.60
  6. Step 6: Final answer
    x = 8,688,731.70

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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.