Home / 21,492,030.30-32,238,045.45-13,839,279.90

Finding the Fourth Proportional to 21,492,030.30, 32,238,045.45 and 13,839,279.90

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Solution

The fourth proportional to 21,492,030.30, 32,238,045.45 and 13,839,279.90 is: 20,758,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,030.30 : 32,238,045.45 = 13,839,279.90 : x
  2. Step 2: Convert to fraction form
    21,492,030.30/32,238,045.45 = 13,839,279.90/x
  3. Step 3: Cross multiply
    21,492,030.30x = 32,238,045.45 × 13,839,279.90
  4. Step 4: Simplify right side
    21,492,030.30x = 446,151,334,411,471.44
  5. Step 5: Solve for x
    x = 446,151,334,411,471.44/21,492,030.30
  6. Step 6: Final answer
    x = 20,758,919.85

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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.