Home / 21,561,133.80-32,341,700.70-17,734,758.60

Finding the Fourth Proportional to 21,561,133.80, 32,341,700.70 and 17,734,758.60

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Solution

The fourth proportional to 21,561,133.80, 32,341,700.70 and 17,734,758.60 is: 26,602,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,133.80 : 32,341,700.70 = 17,734,758.60 : x
  2. Step 2: Convert to fraction form
    21,561,133.80/32,341,700.70 = 17,734,758.60/x
  3. Step 3: Cross multiply
    21,561,133.80x = 32,341,700.70 × 17,734,758.60
  4. Step 4: Simplify right side
    21,561,133.80x = 573,572,254,627,951
  5. Step 5: Solve for x
    x = 573,572,254,627,951/21,561,133.80
  6. Step 6: Final answer
    x = 26,602,137.90

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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.