Home / 40,321,920.70-60,482,881.05-28,984,512.70

Finding the Fourth Proportional to 40,321,920.70, 60,482,881.05 and 28,984,512.70

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Solution

The fourth proportional to 40,321,920.70, 60,482,881.05 and 28,984,512.70 is: 43,476,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,920.70 : 60,482,881.05 = 28,984,512.70 : x
  2. Step 2: Convert to fraction form
    40,321,920.70/60,482,881.05 = 28,984,512.70/x
  3. Step 3: Cross multiply
    40,321,920.70x = 60,482,881.05 × 28,984,512.70
  4. Step 4: Simplify right side
    40,321,920.70x = 1,753,066,833,926,314.25
  5. Step 5: Solve for x
    x = 1,753,066,833,926,314.25/40,321,920.70
  6. Step 6: Final answer
    x = 43,476,769.05

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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.