Home / 12,465,825.60-18,693,208.80-5,730,772.80

Finding the Fourth Proportional to 12,465,825.60, 18,693,208.80 and 5,730,772.80

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Solution

The fourth proportional to 12,465,825.60, 18,693,208.80 and 5,730,772.80 is: 8,593,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,825.60 : 18,693,208.80 = 5,730,772.80 : x
  2. Step 2: Convert to fraction form
    12,465,825.60/18,693,208.80 = 5,730,772.80/x
  3. Step 3: Cross multiply
    12,465,825.60x = 18,693,208.80 × 5,730,772.80
  4. Step 4: Simplify right side
    12,465,825.60x = 107,126,532,535,760.64
  5. Step 5: Solve for x
    x = 107,126,532,535,760.64/12,465,825.60
  6. Step 6: Final answer
    x = 8,593,617.14

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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.