Home / 8,120,390.86-12,176,600.48-4,016,970.90

Finding the Fourth Proportional to 8,120,390.86, 12,176,600.48 and 4,016,970.90

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Solution

The fourth proportional to 8,120,390.86, 12,176,600.48 and 4,016,970.90 is: 6,023,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,390.86 : 12,176,600.48 = 4,016,970.90 : x
  2. Step 2: Convert to fraction form
    8,120,390.86/12,176,600.48 = 4,016,970.90/x
  3. Step 3: Cross multiply
    8,120,390.86x = 12,176,600.48 × 4,016,970.90
  4. Step 4: Simplify right side
    8,120,390.86x = 48,913,049,784,064.81
  5. Step 5: Solve for x
    x = 48,913,049,784,064.81/8,120,390.86
  6. Step 6: Final answer
    x = 6,023,484.66

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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.