Home / 10,468,122.40-15,703,220.40-3,643,645.60

Finding the Fourth Proportional to 10,468,122.40, 15,703,220.40 and 3,643,645.60

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Solution

The fourth proportional to 10,468,122.40, 15,703,220.40 and 3,643,645.60 is: 5,465,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468,122.40 : 15,703,220.40 = 3,643,645.60 : x
  2. Step 2: Convert to fraction form
    10,468,122.40/15,703,220.40 = 3,643,645.60/x
  3. Step 3: Cross multiply
    10,468,122.40x = 15,703,220.40 × 3,643,645.60
  4. Step 4: Simplify right side
    10,468,122.40x = 57,216,969,916,290.24
  5. Step 5: Solve for x
    x = 57,216,969,916,290.24/10,468,122.40
  6. Step 6: Final answer
    x = 5,465,829.28

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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.