Home / 18,402,456.60-27,604,997.10-5,622,940.80

Finding the Fourth Proportional to 18,402,456.60, 27,604,997.10 and 5,622,940.80

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Solution

The fourth proportional to 18,402,456.60, 27,604,997.10 and 5,622,940.80 is: 8,434,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,456.60 : 27,604,997.10 = 5,622,940.80 : x
  2. Step 2: Convert to fraction form
    18,402,456.60/27,604,997.10 = 5,622,940.80/x
  3. Step 3: Cross multiply
    18,402,456.60x = 27,604,997.10 × 5,622,940.80
  4. Step 4: Simplify right side
    18,402,456.60x = 155,221,264,477,471.69
  5. Step 5: Solve for x
    x = 155,221,264,477,471.69/18,402,456.60
  6. Step 6: Final answer
    x = 8,434,812.15

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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.