Home / 13,581,899.88-18,737,492.04-7,700,294.04

Finding the Fourth Proportional to 13,581,899.88, 18,737,492.04 and 7,700,294.04

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Solution

The fourth proportional to 13,581,899.88, 18,737,492.04 and 7,700,294.04 is: 10,623,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,899.88 : 18,737,492.04 = 7,700,294.04 : x
  2. Step 2: Convert to fraction form
    13,581,899.88/18,737,492.04 = 7,700,294.04/x
  3. Step 3: Cross multiply
    13,581,899.88x = 18,737,492.04 × 7,700,294.04
  4. Step 4: Simplify right side
    13,581,899.88x = 144,284,198,280,159.44
  5. Step 5: Solve for x
    x = 144,284,198,280,159.44/13,581,899.88
  6. Step 6: Final answer
    x = 10,623,270.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.