Home / 21,374,939.80-32,083,404.90-10,604,402.20

Finding the Fourth Proportional to 21,374,939.80, 32,083,404.90 and 10,604,402.20

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Solution

The fourth proportional to 21,374,939.80, 32,083,404.90 and 10,604,402.20 is: 15,917,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,939.80 : 32,083,404.90 = 10,604,402.20 : x
  2. Step 2: Convert to fraction form
    21,374,939.80/32,083,404.90 = 10,604,402.20/x
  3. Step 3: Cross multiply
    21,374,939.80x = 32,083,404.90 × 10,604,402.20
  4. Step 4: Simplify right side
    21,374,939.80x = 340,225,329,505,050.75
  5. Step 5: Solve for x
    x = 340,225,329,505,050.75/21,374,939.80
  6. Step 6: Final answer
    x = 15,917,019.31

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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.