Home / 10,778,426.80-16,167,640.20-9,361,250.80

Finding the Fourth Proportional to 10,778,426.80, 16,167,640.20 and 9,361,250.80

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Solution

The fourth proportional to 10,778,426.80, 16,167,640.20 and 9,361,250.80 is: 14,041,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,426.80 : 16,167,640.20 = 9,361,250.80 : x
  2. Step 2: Convert to fraction form
    10,778,426.80/16,167,640.20 = 9,361,250.80/x
  3. Step 3: Cross multiply
    10,778,426.80x = 16,167,640.20 × 9,361,250.80
  4. Step 4: Simplify right side
    10,778,426.80x = 151,349,334,756,362.16
  5. Step 5: Solve for x
    x = 151,349,334,756,362.16/10,778,426.80
  6. Step 6: Final answer
    x = 14,041,876.20

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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.