Home / 19,699,418.80-29,549,128.20-9,061,850.80

Finding the Fourth Proportional to 19,699,418.80, 29,549,128.20 and 9,061,850.80

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Solution

The fourth proportional to 19,699,418.80, 29,549,128.20 and 9,061,850.80 is: 13,592,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699,418.80 : 29,549,128.20 = 9,061,850.80 : x
  2. Step 2: Convert to fraction form
    19,699,418.80/29,549,128.20 = 9,061,850.80/x
  3. Step 3: Cross multiply
    19,699,418.80x = 29,549,128.20 × 9,061,850.80
  4. Step 4: Simplify right side
    19,699,418.80x = 267,769,791,018,472.56
  5. Step 5: Solve for x
    x = 267,769,791,018,472.56/19,699,418.80
  6. Step 6: Final answer
    x = 13,592,776.20

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1.5x scale

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.