Home / 40,803,480.80-61,205,221.20-10,511,343.80

Finding the Fourth Proportional to 40,803,480.80, 61,205,221.20 and 10,511,343.80

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Solution

The fourth proportional to 40,803,480.80, 61,205,221.20 and 10,511,343.80 is: 15,767,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,480.80 : 61,205,221.20 = 10,511,343.80 : x
  2. Step 2: Convert to fraction form
    40,803,480.80/61,205,221.20 = 10,511,343.80/x
  3. Step 3: Cross multiply
    40,803,480.80x = 61,205,221.20 × 10,511,343.80
  4. Step 4: Simplify right side
    40,803,480.80x = 643,349,122,388,248.62
  5. Step 5: Solve for x
    x = 643,349,122,388,248.62/40,803,480.80
  6. Step 6: Final answer
    x = 15,767,015.70

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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.