Home / 40,377,681.68-55,720,917.26-22,042,967.18

Finding the Fourth Proportional to 40,377,681.68, 55,720,917.26 and 22,042,967.18

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Solution

The fourth proportional to 40,377,681.68, 55,720,917.26 and 22,042,967.18 is: 30,419,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,681.68 : 55,720,917.26 = 22,042,967.18 : x
  2. Step 2: Convert to fraction form
    40,377,681.68/55,720,917.26 = 22,042,967.18/x
  3. Step 3: Cross multiply
    40,377,681.68x = 55,720,917.26 × 22,042,967.18
  4. Step 4: Simplify right side
    40,377,681.68x = 1,228,254,350,401,675.50
  5. Step 5: Solve for x
    x = 1,228,254,350,401,675.50/40,377,681.68
  6. Step 6: Final answer
    x = 30,419,139.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.