Home / 21,492,067.80-32,238,101.70-13,839,317.40

Finding the Fourth Proportional to 21,492,067.80, 32,238,101.70 and 13,839,317.40

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Solution

The fourth proportional to 21,492,067.80, 32,238,101.70 and 13,839,317.40 is: 20,758,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,067.80 : 32,238,101.70 = 13,839,317.40 : x
  2. Step 2: Convert to fraction form
    21,492,067.80/32,238,101.70 = 13,839,317.40/x
  3. Step 3: Cross multiply
    21,492,067.80x = 32,238,101.70 × 13,839,317.40
  4. Step 4: Simplify right side
    21,492,067.80x = 446,153,321,799,779.56
  5. Step 5: Solve for x
    x = 446,153,321,799,779.56/21,492,067.80
  6. Step 6: Final answer
    x = 20,758,976.10

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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.