Home / 21,343,247.20-32,015,756.40-6,197,178.70

Finding the Fourth Proportional to 21,343,247.20, 32,015,756.40 and 6,197,178.70

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Solution

The fourth proportional to 21,343,247.20, 32,015,756.40 and 6,197,178.70 is: 9,296,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,247.20 : 32,015,756.40 = 6,197,178.70 : x
  2. Step 2: Convert to fraction form
    21,343,247.20/32,015,756.40 = 6,197,178.70/x
  3. Step 3: Cross multiply
    21,343,247.20x = 32,015,756.40 × 6,197,178.70
  4. Step 4: Simplify right side
    21,343,247.20x = 198,407,363,626,468.69
  5. Step 5: Solve for x
    x = 198,407,363,626,468.69/21,343,247.20
  6. Step 6: Final answer
    x = 9,296,025.19

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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.