Home / 28,181,241.57-42,258,538.65-10,917,530.13

Finding the Fourth Proportional to 28,181,241.57, 42,258,538.65 and 10,917,530.13

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Solution

The fourth proportional to 28,181,241.57, 42,258,538.65 and 10,917,530.13 is: 16,371,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,241.57 : 42,258,538.65 = 10,917,530.13 : x
  2. Step 2: Convert to fraction form
    28,181,241.57/42,258,538.65 = 10,917,530.13/x
  3. Step 3: Cross multiply
    28,181,241.57x = 42,258,538.65 × 10,917,530.13
  4. Step 4: Simplify right side
    28,181,241.57x = 461,358,868,961,144.56
  5. Step 5: Solve for x
    x = 461,358,868,961,144.56/28,181,241.57
  6. Step 6: Final answer
    x = 16,371,133.54

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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.