Home / 21,508,772.80-32,263,159.20-10,759,230.40

Finding the Fourth Proportional to 21,508,772.80, 32,263,159.20 and 10,759,230.40

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Solution

The fourth proportional to 21,508,772.80, 32,263,159.20 and 10,759,230.40 is: 16,138,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,772.80 : 32,263,159.20 = 10,759,230.40 : x
  2. Step 2: Convert to fraction form
    21,508,772.80/32,263,159.20 = 10,759,230.40/x
  3. Step 3: Cross multiply
    21,508,772.80x = 32,263,159.20 × 10,759,230.40
  4. Step 4: Simplify right side
    21,508,772.80x = 347,126,763,264,679.69
  5. Step 5: Solve for x
    x = 347,126,763,264,679.69/21,508,772.80
  6. Step 6: Final answer
    x = 16,138,845.60

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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.