Home / 40,825,882.80-61,154,843.40-28,060,801.20

Finding the Fourth Proportional to 40,825,882.80, 61,154,843.40 and 28,060,801.20

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Solution

The fourth proportional to 40,825,882.80, 61,154,843.40 and 28,060,801.20 is: 42,033,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825,882.80 : 61,154,843.40 = 28,060,801.20 : x
  2. Step 2: Convert to fraction form
    40,825,882.80/61,154,843.40 = 28,060,801.20/x
  3. Step 3: Cross multiply
    40,825,882.80x = 61,154,843.40 × 28,060,801.20
  4. Step 4: Simplify right side
    40,825,882.80x = 1,716,053,903,064,532
  5. Step 5: Solve for x
    x = 1,716,053,903,064,532/40,825,882.80
  6. Step 6: Final answer
    x = 42,033,479.39

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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.