Home / 7,378,748.12-10,182,686.38-4,115,774.23

Finding the Fourth Proportional to 7,378,748.12, 10,182,686.38 and 4,115,774.23

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Solution

The fourth proportional to 7,378,748.12, 10,182,686.38 and 4,115,774.23 is: 5,679,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,748.12 : 10,182,686.38 = 4,115,774.23 : x
  2. Step 2: Convert to fraction form
    7,378,748.12/10,182,686.38 = 4,115,774.23/x
  3. Step 3: Cross multiply
    7,378,748.12x = 10,182,686.38 × 4,115,774.23
  4. Step 4: Simplify right side
    7,378,748.12x = 41,909,638,159,229.84
  5. Step 5: Solve for x
    x = 41,909,638,159,229.84/7,378,748.12
  6. Step 6: Final answer
    x = 5,679,776.23

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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.