Home / 12,758,390.48-19,127,540.28-6,365,354.96

Finding the Fourth Proportional to 12,758,390.48, 19,127,540.28 and 6,365,354.96

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Solution

The fourth proportional to 12,758,390.48, 19,127,540.28 and 6,365,354.96 is: 9,543,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,390.48 : 19,127,540.28 = 6,365,354.96 : x
  2. Step 2: Convert to fraction form
    12,758,390.48/19,127,540.28 = 6,365,354.96/x
  3. Step 3: Cross multiply
    12,758,390.48x = 19,127,540.28 × 6,365,354.96
  4. Step 4: Simplify right side
    12,758,390.48x = 121,753,583,393,897.80
  5. Step 5: Solve for x
    x = 121,753,583,393,897.80/12,758,390.48
  6. Step 6: Final answer
    x = 9,543,020.62

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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.