Home / 18,575,140.60-27,859,472.16-4,929,666.60

Finding the Fourth Proportional to 18,575,140.60, 27,859,472.16 and 4,929,666.60

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Solution

The fourth proportional to 18,575,140.60, 27,859,472.16 and 4,929,666.60 is: 7,393,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,140.60 : 27,859,472.16 = 4,929,666.60 : x
  2. Step 2: Convert to fraction form
    18,575,140.60/27,859,472.16 = 4,929,666.60/x
  3. Step 3: Cross multiply
    18,575,140.60x = 27,859,472.16 × 4,929,666.60
  4. Step 4: Simplify right side
    18,575,140.60x = 137,337,909,400,781.84
  5. Step 5: Solve for x
    x = 137,337,909,400,781.84/18,575,140.60
  6. Step 6: Final answer
    x = 7,393,640.37

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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.