Home / 12,354,795.38-18,532,583.09-4,268,231.66

Finding the Fourth Proportional to 12,354,795.38, 18,532,583.09 and 4,268,231.66

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Solution

The fourth proportional to 12,354,795.38, 18,532,583.09 and 4,268,231.66 is: 6,402,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,795.38 : 18,532,583.09 = 4,268,231.66 : x
  2. Step 2: Convert to fraction form
    12,354,795.38/18,532,583.09 = 4,268,231.66/x
  3. Step 3: Cross multiply
    12,354,795.38x = 18,532,583.09 × 4,268,231.66
  4. Step 4: Simplify right side
    12,354,795.38x = 79,101,357,943,320.67
  5. Step 5: Solve for x
    x = 79,101,357,943,320.67/12,354,795.38
  6. Step 6: Final answer
    x = 6,402,482.23

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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.