Home / 10,126,743.36-13,974,926.40-5,543,357.28

Finding the Fourth Proportional to 10,126,743.36, 13,974,926.40 and 5,543,357.28

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Solution

The fourth proportional to 10,126,743.36, 13,974,926.40 and 5,543,357.28 is: 7,649,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,743.36 : 13,974,926.40 = 5,543,357.28 : x
  2. Step 2: Convert to fraction form
    10,126,743.36/13,974,926.40 = 5,543,357.28/x
  3. Step 3: Cross multiply
    10,126,743.36x = 13,974,926.40 × 5,543,357.28
  4. Step 4: Simplify right side
    10,126,743.36x = 77,468,009,996,904.20
  5. Step 5: Solve for x
    x = 77,468,009,996,904.20/10,126,743.36
  6. Step 6: Final answer
    x = 7,649,844.30

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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.