Home / 13,486,538.40-20,229,807.60-4,965,767.70

Finding the Fourth Proportional to 13,486,538.40, 20,229,807.60 and 4,965,767.70

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Solution

The fourth proportional to 13,486,538.40, 20,229,807.60 and 4,965,767.70 is: 7,448,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,538.40 : 20,229,807.60 = 4,965,767.70 : x
  2. Step 2: Convert to fraction form
    13,486,538.40/20,229,807.60 = 4,965,767.70/x
  3. Step 3: Cross multiply
    13,486,538.40x = 20,229,807.60 × 4,965,767.70
  4. Step 4: Simplify right side
    13,486,538.40x = 100,456,525,157,294.53
  5. Step 5: Solve for x
    x = 100,456,525,157,294.53/13,486,538.40
  6. Step 6: Final answer
    x = 7,448,651.55

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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.