Home / 20,412,655.20-30,618,982.80-14,035,363.20

Finding the Fourth Proportional to 20,412,655.20, 30,618,982.80 and 14,035,363.20

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Solution

The fourth proportional to 20,412,655.20, 30,618,982.80 and 14,035,363.20 is: 21,053,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,655.20 : 30,618,982.80 = 14,035,363.20 : x
  2. Step 2: Convert to fraction form
    20,412,655.20/30,618,982.80 = 14,035,363.20/x
  3. Step 3: Cross multiply
    20,412,655.20x = 30,618,982.80 × 14,035,363.20
  4. Step 4: Simplify right side
    20,412,655.20x = 429,748,544,412,552.94
  5. Step 5: Solve for x
    x = 429,748,544,412,552.94/20,412,655.20
  6. Step 6: Final answer
    x = 21,053,044.80

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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.