Home / 20,572,045.10-30,929,218.05-19,240,016.30

Finding the Fourth Proportional to 20,572,045.10, 30,929,218.05 and 19,240,016.30

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Solution

The fourth proportional to 20,572,045.10, 30,929,218.05 and 19,240,016.30 is: 28,926,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,045.10 : 30,929,218.05 = 19,240,016.30 : x
  2. Step 2: Convert to fraction form
    20,572,045.10/30,929,218.05 = 19,240,016.30/x
  3. Step 3: Cross multiply
    20,572,045.10x = 30,929,218.05 × 19,240,016.30
  4. Step 4: Simplify right side
    20,572,045.10x = 595,078,659,428,254.25
  5. Step 5: Solve for x
    x = 595,078,659,428,254.25/20,572,045.10
  6. Step 6: Final answer
    x = 28,926,567.90

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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.