Home / 20,041,804.80-30,080,421.90-17,172,023.40

Finding the Fourth Proportional to 20,041,804.80, 30,080,421.90 and 17,172,023.40

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Solution

The fourth proportional to 20,041,804.80, 30,080,421.90 and 17,172,023.40 is: 25,773,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041,804.80 : 30,080,421.90 = 17,172,023.40 : x
  2. Step 2: Convert to fraction form
    20,041,804.80/30,080,421.90 = 17,172,023.40/x
  3. Step 3: Cross multiply
    20,041,804.80x = 30,080,421.90 × 17,172,023.40
  4. Step 4: Simplify right side
    20,041,804.80x = 516,541,708,748,672.38
  5. Step 5: Solve for x
    x = 516,541,708,748,672.38/20,041,804.80
  6. Step 6: Final answer
    x = 25,773,213.24

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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.