Home / 28,892,613.04-39,871,796.40-15,839,591.94

Finding the Fourth Proportional to 28,892,613.04, 39,871,796.40 and 15,839,591.94

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Solution

The fourth proportional to 28,892,613.04, 39,871,796.40 and 15,839,591.94 is: 21,858,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892,613.04 : 39,871,796.40 = 15,839,591.94 : x
  2. Step 2: Convert to fraction form
    28,892,613.04/39,871,796.40 = 15,839,591.94/x
  3. Step 3: Cross multiply
    28,892,613.04x = 39,871,796.40 × 15,839,591.94
  4. Step 4: Simplify right side
    28,892,613.04x = 631,552,984,890,761
  5. Step 5: Solve for x
    x = 631,552,984,890,761/28,892,613.04
  6. Step 6: Final answer
    x = 21,858,631.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.