Home / 31,382,479.40-47,073,719.10-11,180,431.40

Finding the Fourth Proportional to 31,382,479.40, 47,073,719.10 and 11,180,431.40

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Solution

The fourth proportional to 31,382,479.40, 47,073,719.10 and 11,180,431.40 is: 16,770,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382,479.40 : 47,073,719.10 = 11,180,431.40 : x
  2. Step 2: Convert to fraction form
    31,382,479.40/47,073,719.10 = 11,180,431.40/x
  3. Step 3: Cross multiply
    31,382,479.40x = 47,073,719.10 × 11,180,431.40
  4. Step 4: Simplify right side
    31,382,479.40x = 526,304,487,140,419.75
  5. Step 5: Solve for x
    x = 526,304,487,140,419.75/31,382,479.40
  6. Step 6: Final answer
    x = 16,770,647.10

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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.