Home / 10,042,641.20-13,858,681.56-5,459,078

Finding the Fourth Proportional to 10,042,641.20, 13,858,681.56 and 5,459,078

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Solution

The fourth proportional to 10,042,641.20, 13,858,681.56 and 5,459,078 is: 7,533,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042,641.20 : 13,858,681.56 = 5,459,078 : x
  2. Step 2: Convert to fraction form
    10,042,641.20/13,858,681.56 = 5,459,078/x
  3. Step 3: Cross multiply
    10,042,641.20x = 13,858,681.56 × 5,459,078
  4. Step 4: Simplify right side
    10,042,641.20x = 75,655,623,613,201.69
  5. Step 5: Solve for x
    x = 75,655,623,613,201.69/10,042,641.20
  6. Step 6: Final answer
    x = 7,533,438.87

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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.