Home / 47,670,215.17-71,505,987.05-13,591,561.05

Finding the Fourth Proportional to 47,670,215.17, 71,505,987.05 and 13,591,561.05

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Solution

The fourth proportional to 47,670,215.17, 71,505,987.05 and 13,591,561.05 is: 20,387,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670,215.17 : 71,505,987.05 = 13,591,561.05 : x
  2. Step 2: Convert to fraction form
    47,670,215.17/71,505,987.05 = 13,591,561.05/x
  3. Step 3: Cross multiply
    47,670,215.17x = 71,505,987.05 × 13,591,561.05
  4. Step 4: Simplify right side
    47,670,215.17x = 971,877,988,430,584.38
  5. Step 5: Solve for x
    x = 971,877,988,430,584.38/47,670,215.17
  6. Step 6: Final answer
    x = 20,387,530.98

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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.