Home / 21,425,764.80-32,138,908.80-6,280,002.72

Finding the Fourth Proportional to 21,425,764.80, 32,138,908.80 and 6,280,002.72

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Solution

The fourth proportional to 21,425,764.80, 32,138,908.80 and 6,280,002.72 is: 9,420,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,764.80 : 32,138,908.80 = 6,280,002.72 : x
  2. Step 2: Convert to fraction form
    21,425,764.80/32,138,908.80 = 6,280,002.72/x
  3. Step 3: Cross multiply
    21,425,764.80x = 32,138,908.80 × 6,280,002.72
  4. Step 4: Simplify right side
    21,425,764.80x = 201,832,434,681,831.94
  5. Step 5: Solve for x
    x = 201,832,434,681,831.94/21,425,764.80
  6. Step 6: Final answer
    x = 9,420,080.76

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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.