Home / 12,315,543.72-16,995,407.78-6,883,035.72

Finding the Fourth Proportional to 12,315,543.72, 16,995,407.78 and 6,883,035.72

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Solution

The fourth proportional to 12,315,543.72, 16,995,407.78 and 6,883,035.72 is: 9,498,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,543.72 : 16,995,407.78 = 6,883,035.72 : x
  2. Step 2: Convert to fraction form
    12,315,543.72/16,995,407.78 = 6,883,035.72/x
  3. Step 3: Cross multiply
    12,315,543.72x = 16,995,407.78 × 6,883,035.72
  4. Step 4: Simplify right side
    12,315,543.72x = 116,979,998,825,705.91
  5. Step 5: Solve for x
    x = 116,979,998,825,705.91/12,315,543.72
  6. Step 6: Final answer
    x = 9,498,565.51

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1.5x scale

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.