Home / 12,500,998.40-18,752,534.40-3,981,094.40

Finding the Fourth Proportional to 12,500,998.40, 18,752,534.40 and 3,981,094.40

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Solution

The fourth proportional to 12,500,998.40, 18,752,534.40 and 3,981,094.40 is: 5,971,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,998.40 : 18,752,534.40 = 3,981,094.40 : x
  2. Step 2: Convert to fraction form
    12,500,998.40/18,752,534.40 = 3,981,094.40/x
  3. Step 3: Cross multiply
    12,500,998.40x = 18,752,534.40 × 3,981,094.40
  4. Step 4: Simplify right side
    12,500,998.40x = 74,655,609,685,647.36
  5. Step 5: Solve for x
    x = 74,655,609,685,647.36/12,500,998.40
  6. Step 6: Final answer
    x = 5,971,971.78

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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.