Home / 13,205,627.40-18,222,082.20-7,697,624.16

Finding the Fourth Proportional to 13,205,627.40, 18,222,082.20 and 7,697,624.16

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Solution

The fourth proportional to 13,205,627.40, 18,222,082.20 and 7,697,624.16 is: 10,621,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,627.40 : 18,222,082.20 = 7,697,624.16 : x
  2. Step 2: Convert to fraction form
    13,205,627.40/18,222,082.20 = 7,697,624.16/x
  3. Step 3: Cross multiply
    13,205,627.40x = 18,222,082.20 × 7,697,624.16
  4. Step 4: Simplify right side
    13,205,627.40x = 140,266,740,188,225.95
  5. Step 5: Solve for x
    x = 140,266,740,188,225.95/13,205,627.40
  6. Step 6: Final answer
    x = 10,621,739.96

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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.