Home / 21,849,794.40-32,774,691.60-13,771,891.20

Finding the Fourth Proportional to 21,849,794.40, 32,774,691.60 and 13,771,891.20

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Solution

The fourth proportional to 21,849,794.40, 32,774,691.60 and 13,771,891.20 is: 20,657,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,794.40 : 32,774,691.60 = 13,771,891.20 : x
  2. Step 2: Convert to fraction form
    21,849,794.40/32,774,691.60 = 13,771,891.20/x
  3. Step 3: Cross multiply
    21,849,794.40x = 32,774,691.60 × 13,771,891.20
  4. Step 4: Simplify right side
    21,849,794.40x = 451,369,486,828,753.94
  5. Step 5: Solve for x
    x = 451,369,486,828,753.94/21,849,794.40
  6. Step 6: Final answer
    x = 20,657,836.80

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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.