Home / 10,502,426.80-15,753,640.20-6,720,180.40

Finding the Fourth Proportional to 10,502,426.80, 15,753,640.20 and 6,720,180.40

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Solution

The fourth proportional to 10,502,426.80, 15,753,640.20 and 6,720,180.40 is: 10,080,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,426.80 : 15,753,640.20 = 6,720,180.40 : x
  2. Step 2: Convert to fraction form
    10,502,426.80/15,753,640.20 = 6,720,180.40/x
  3. Step 3: Cross multiply
    10,502,426.80x = 15,753,640.20 × 6,720,180.40
  4. Step 4: Simplify right side
    10,502,426.80x = 105,867,304,100,692.08
  5. Step 5: Solve for x
    x = 105,867,304,100,692.08/10,502,426.80
  6. Step 6: Final answer
    x = 10,080,270.60

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Similar ratio
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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.