Home / 13,030,774.58-17,982,229.75-7,229,431.78

Finding the Fourth Proportional to 13,030,774.58, 17,982,229.75 and 7,229,431.78

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Solution

The fourth proportional to 13,030,774.58, 17,982,229.75 and 7,229,431.78 is: 9,976,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,774.58 : 17,982,229.75 = 7,229,431.78 : x
  2. Step 2: Convert to fraction form
    13,030,774.58/17,982,229.75 = 7,229,431.78/x
  3. Step 3: Cross multiply
    13,030,774.58x = 17,982,229.75 × 7,229,431.78
  4. Step 4: Simplify right side
    13,030,774.58x = 130,001,303,166,882.28
  5. Step 5: Solve for x
    x = 130,001,303,166,882.28/13,030,774.58
  6. Step 6: Final answer
    x = 9,976,483.16

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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.