Home / 16,218,675.72-22,381,831.62-8,776,337.76

Finding the Fourth Proportional to 16,218,675.72, 22,381,831.62 and 8,776,337.76

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Solution

The fourth proportional to 16,218,675.72, 22,381,831.62 and 8,776,337.76 is: 12,111,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218,675.72 : 22,381,831.62 = 8,776,337.76 : x
  2. Step 2: Convert to fraction form
    16,218,675.72/22,381,831.62 = 8,776,337.76/x
  3. Step 3: Cross multiply
    16,218,675.72x = 22,381,831.62 × 8,776,337.76
  4. Step 4: Simplify right side
    16,218,675.72x = 196,430,513,984,567.97
  5. Step 5: Solve for x
    x = 196,430,513,984,567.97/16,218,675.72
  6. Step 6: Final answer
    x = 12,111,378.10

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Double scale
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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.