Home / 12,948,703.20-19,438,801.20-6,555,664.80

Finding the Fourth Proportional to 12,948,703.20, 19,438,801.20 and 6,555,664.80

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Solution

The fourth proportional to 12,948,703.20, 19,438,801.20 and 6,555,664.80 is: 9,841,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,703.20 : 19,438,801.20 = 6,555,664.80 : x
  2. Step 2: Convert to fraction form
    12,948,703.20/19,438,801.20 = 6,555,664.80/x
  3. Step 3: Cross multiply
    12,948,703.20x = 19,438,801.20 × 6,555,664.80
  4. Step 4: Simplify right side
    12,948,703.20x = 127,434,264,781,037.75
  5. Step 5: Solve for x
    x = 127,434,264,781,037.75/12,948,703.20
  6. Step 6: Final answer
    x = 9,841,469.28

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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.