Home / 12,286,824.60-18,444,233.70-7,240,978.20

Finding the Fourth Proportional to 12,286,824.60, 18,444,233.70 and 7,240,978.20

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Solution

The fourth proportional to 12,286,824.60, 18,444,233.70 and 7,240,978.20 is: 10,869,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,824.60 : 18,444,233.70 = 7,240,978.20 : x
  2. Step 2: Convert to fraction form
    12,286,824.60/18,444,233.70 = 7,240,978.20/x
  3. Step 3: Cross multiply
    12,286,824.60x = 18,444,233.70 × 7,240,978.20
  4. Step 4: Simplify right side
    12,286,824.60x = 133,554,294,137,405.34
  5. Step 5: Solve for x
    x = 133,554,294,137,405.34/12,286,824.60
  6. Step 6: Final answer
    x = 10,869,716.02

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1.5x scale

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.