Home / 21,492,073.80-32,238,110.70-13,839,323.40

Finding the Fourth Proportional to 21,492,073.80, 32,238,110.70 and 13,839,323.40

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Solution

The fourth proportional to 21,492,073.80, 32,238,110.70 and 13,839,323.40 is: 20,758,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,073.80 : 32,238,110.70 = 13,839,323.40 : x
  2. Step 2: Convert to fraction form
    21,492,073.80/32,238,110.70 = 13,839,323.40/x
  3. Step 3: Cross multiply
    21,492,073.80x = 32,238,110.70 × 13,839,323.40
  4. Step 4: Simplify right side
    21,492,073.80x = 446,153,639,782,300.38
  5. Step 5: Solve for x
    x = 446,153,639,782,300.38/21,492,073.80
  6. Step 6: Final answer
    x = 20,758,985.10

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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.