Home / 7,125,938.72-9,827,445.92-5,556,459.56

Finding the Fourth Proportional to 7,125,938.72, 9,827,445.92 and 5,556,459.56

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Solution

The fourth proportional to 7,125,938.72, 9,827,445.92 and 5,556,459.56 is: 7,662,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,938.72 : 9,827,445.92 = 5,556,459.56 : x
  2. Step 2: Convert to fraction form
    7,125,938.72/9,827,445.92 = 5,556,459.56/x
  3. Step 3: Cross multiply
    7,125,938.72x = 9,827,445.92 × 5,556,459.56
  4. Step 4: Simplify right side
    7,125,938.72x = 54,605,805,832,566.99
  5. Step 5: Solve for x
    x = 54,605,805,832,566.99/7,125,938.72
  6. Step 6: Final answer
    x = 7,662,963.15

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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.