Home / 17,406,365.78-26,109,543.87-5,439,101.78

Finding the Fourth Proportional to 17,406,365.78, 26,109,543.87 and 5,439,101.78

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Solution

The fourth proportional to 17,406,365.78, 26,109,543.87 and 5,439,101.78 is: 8,158,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,406,365.78 : 26,109,543.87 = 5,439,101.78 : x
  2. Step 2: Convert to fraction form
    17,406,365.78/26,109,543.87 = 5,439,101.78/x
  3. Step 3: Cross multiply
    17,406,365.78x = 26,109,543.87 × 5,439,101.78
  4. Step 4: Simplify right side
    17,406,365.78x = 142,012,466,538,305.09
  5. Step 5: Solve for x
    x = 142,012,466,538,305.09/17,406,365.78
  6. Step 6: Final answer
    x = 8,158,651.17

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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.