Home / 9,190,622.20-13,785,933.30-5,159,543.80

Finding the Fourth Proportional to 9,190,622.20, 13,785,933.30 and 5,159,543.80

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Solution

The fourth proportional to 9,190,622.20, 13,785,933.30 and 5,159,543.80 is: 7,739,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,622.20 : 13,785,933.30 = 5,159,543.80 : x
  2. Step 2: Convert to fraction form
    9,190,622.20/13,785,933.30 = 5,159,543.80/x
  3. Step 3: Cross multiply
    9,190,622.20x = 13,785,933.30 × 5,159,543.80
  4. Step 4: Simplify right side
    9,190,622.20x = 71,129,126,685,228.55
  5. Step 5: Solve for x
    x = 71,129,126,685,228.55/9,190,622.20
  6. Step 6: Final answer
    x = 7,739,315.70

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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.