Home / 21,755,998.80-32,646,439.80-15,029,240.40

Finding the Fourth Proportional to 21,755,998.80, 32,646,439.80 and 15,029,240.40

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Solution

The fourth proportional to 21,755,998.80, 32,646,439.80 and 15,029,240.40 is: 22,552,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,998.80 : 32,646,439.80 = 15,029,240.40 : x
  2. Step 2: Convert to fraction form
    21,755,998.80/32,646,439.80 = 15,029,240.40/x
  3. Step 3: Cross multiply
    21,755,998.80x = 32,646,439.80 × 15,029,240.40
  4. Step 4: Simplify right side
    21,755,998.80x = 490,651,191,958,327.94
  5. Step 5: Solve for x
    x = 490,651,191,958,327.94/21,755,998.80
  6. Step 6: Final answer
    x = 22,552,455.37

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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.