Home / 8,442,429.90-12,654,313.65-4,658,628.30

Finding the Fourth Proportional to 8,442,429.90, 12,654,313.65 and 4,658,628.30

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Solution

The fourth proportional to 8,442,429.90, 12,654,313.65 and 4,658,628.30 is: 6,982,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,429.90 : 12,654,313.65 = 4,658,628.30 : x
  2. Step 2: Convert to fraction form
    8,442,429.90/12,654,313.65 = 4,658,628.30/x
  3. Step 3: Cross multiply
    8,442,429.90x = 12,654,313.65 × 4,658,628.30
  4. Step 4: Simplify right side
    8,442,429.90x = 58,951,743,686,966.30
  5. Step 5: Solve for x
    x = 58,951,743,686,966.30/8,442,429.90
  6. Step 6: Final answer
    x = 6,982,793.39

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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.