Home / 10,240,622.40-15,360,933.60-9,213,169.80

Finding the Fourth Proportional to 10,240,622.40, 15,360,933.60 and 9,213,169.80

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Solution

The fourth proportional to 10,240,622.40, 15,360,933.60 and 9,213,169.80 is: 13,819,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240,622.40 : 15,360,933.60 = 9,213,169.80 : x
  2. Step 2: Convert to fraction form
    10,240,622.40/15,360,933.60 = 9,213,169.80/x
  3. Step 3: Cross multiply
    10,240,622.40x = 15,360,933.60 × 9,213,169.80
  4. Step 4: Simplify right side
    10,240,622.40x = 141,522,889,543,325.28
  5. Step 5: Solve for x
    x = 141,522,889,543,325.28/10,240,622.40
  6. Step 6: Final answer
    x = 13,819,754.70

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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.