Home / 21,479,848.20-32,257,097.10-20,808,001.80

Finding the Fourth Proportional to 21,479,848.20, 32,257,097.10 and 20,808,001.80

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Solution

The fourth proportional to 21,479,848.20, 32,257,097.10 and 20,808,001.80 is: 31,248,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479,848.20 : 32,257,097.10 = 20,808,001.80 : x
  2. Step 2: Convert to fraction form
    21,479,848.20/32,257,097.10 = 20,808,001.80/x
  3. Step 3: Cross multiply
    21,479,848.20x = 32,257,097.10 × 20,808,001.80
  4. Step 4: Simplify right side
    21,479,848.20x = 671,205,734,519,574.88
  5. Step 5: Solve for x
    x = 671,205,734,519,574.88/21,479,848.20
  6. Step 6: Final answer
    x = 31,248,160.06

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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.