Home / 19,144,002.60-28,716,003.90-15,742,780.20

Finding the Fourth Proportional to 19,144,002.60, 28,716,003.90 and 15,742,780.20

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Solution

The fourth proportional to 19,144,002.60, 28,716,003.90 and 15,742,780.20 is: 23,614,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,002.60 : 28,716,003.90 = 15,742,780.20 : x
  2. Step 2: Convert to fraction form
    19,144,002.60/28,716,003.90 = 15,742,780.20/x
  3. Step 3: Cross multiply
    19,144,002.60x = 28,716,003.90 × 15,742,780.20
  4. Step 4: Simplify right side
    19,144,002.60x = 452,069,737,620,042.75
  5. Step 5: Solve for x
    x = 452,069,737,620,042.75/19,144,002.60
  6. Step 6: Final answer
    x = 23,614,170.30

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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.