Home / 12,083,821.60-18,125,732.40-6,974,989.60

Finding the Fourth Proportional to 12,083,821.60, 18,125,732.40 and 6,974,989.60

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Solution

The fourth proportional to 12,083,821.60, 18,125,732.40 and 6,974,989.60 is: 10,462,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,821.60 : 18,125,732.40 = 6,974,989.60 : x
  2. Step 2: Convert to fraction form
    12,083,821.60/18,125,732.40 = 6,974,989.60/x
  3. Step 3: Cross multiply
    12,083,821.60x = 18,125,732.40 × 6,974,989.60
  4. Step 4: Simplify right side
    12,083,821.60x = 126,426,794,982,383.02
  5. Step 5: Solve for x
    x = 126,426,794,982,383.02/12,083,821.60
  6. Step 6: Final answer
    x = 10,462,484.40

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1.5x scale

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.