Home / 30,236,138.52-45,354,374.28-7,517,036.04

Finding the Fourth Proportional to 30,236,138.52, 45,354,374.28 and 7,517,036.04

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Solution

The fourth proportional to 30,236,138.52, 45,354,374.28 and 7,517,036.04 is: 11,275,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236,138.52 : 45,354,374.28 = 7,517,036.04 : x
  2. Step 2: Convert to fraction form
    30,236,138.52/45,354,374.28 = 7,517,036.04/x
  3. Step 3: Cross multiply
    30,236,138.52x = 45,354,374.28 × 7,517,036.04
  4. Step 4: Simplify right side
    30,236,138.52x = 340,930,466,034,409.06
  5. Step 5: Solve for x
    x = 340,930,466,034,409.06/30,236,138.52
  6. Step 6: Final answer
    x = 11,275,595.45

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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.