Home / 8,176,827.15-12,251,954.70-6,821,652.60

Finding the Fourth Proportional to 8,176,827.15, 12,251,954.70 and 6,821,652.60

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Solution

The fourth proportional to 8,176,827.15, 12,251,954.70 and 6,821,652.60 is: 10,221,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,827.15 : 12,251,954.70 = 6,821,652.60 : x
  2. Step 2: Convert to fraction form
    8,176,827.15/12,251,954.70 = 6,821,652.60/x
  3. Step 3: Cross multiply
    8,176,827.15x = 12,251,954.70 × 6,821,652.60
  4. Step 4: Simplify right side
    8,176,827.15x = 83,578,578,634,337.20
  5. Step 5: Solve for x
    x = 83,578,578,634,337.20/8,176,827.15
  6. Step 6: Final answer
    x = 10,221,394.82

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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.