Home / 13,761,964.80-20,658,693.60-8,085,387.60

Finding the Fourth Proportional to 13,761,964.80, 20,658,693.60 and 8,085,387.60

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Solution

The fourth proportional to 13,761,964.80, 20,658,693.60 and 8,085,387.60 is: 12,137,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,964.80 : 20,658,693.60 = 8,085,387.60 : x
  2. Step 2: Convert to fraction form
    13,761,964.80/20,658,693.60 = 8,085,387.60/x
  3. Step 3: Cross multiply
    13,761,964.80x = 20,658,693.60 × 8,085,387.60
  4. Step 4: Simplify right side
    13,761,964.80x = 167,033,545,065,639.38
  5. Step 5: Solve for x
    x = 167,033,545,065,639.38/13,761,964.80
  6. Step 6: Final answer
    x = 12,137,332.68

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1.5x scale

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.