Home / 10,867,685.93-14,991,161.71-6,786,219.05

Finding the Fourth Proportional to 10,867,685.93, 14,991,161.71 and 6,786,219.05

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Solution

The fourth proportional to 10,867,685.93, 14,991,161.71 and 6,786,219.05 is: 9,361,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,685.93 : 14,991,161.71 = 6,786,219.05 : x
  2. Step 2: Convert to fraction form
    10,867,685.93/14,991,161.71 = 6,786,219.05/x
  3. Step 3: Cross multiply
    10,867,685.93x = 14,991,161.71 × 6,786,219.05
  4. Step 4: Simplify right side
    10,867,685.93x = 101,733,307,069,145.67
  5. Step 5: Solve for x
    x = 101,733,307,069,145.67/10,867,685.93
  6. Step 6: Final answer
    x = 9,361,082.73

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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.