Home / 12,783,966.66-17,641,854.27-6,982,748.46

Finding the Fourth Proportional to 12,783,966.66, 17,641,854.27 and 6,982,748.46

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Solution

The fourth proportional to 12,783,966.66, 17,641,854.27 and 6,982,748.46 is: 9,636,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,966.66 : 17,641,854.27 = 6,982,748.46 : x
  2. Step 2: Convert to fraction form
    12,783,966.66/17,641,854.27 = 6,982,748.46/x
  3. Step 3: Cross multiply
    12,783,966.66x = 17,641,854.27 × 6,982,748.46
  4. Step 4: Simplify right side
    12,783,966.66x = 123,188,630,735,386.92
  5. Step 5: Solve for x
    x = 123,188,630,735,386.92/12,783,966.66
  6. Step 6: Final answer
    x = 9,636,182.10

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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.