Home / 31,146,056.40-46,719,084.60-18,380,974.80

Finding the Fourth Proportional to 31,146,056.40, 46,719,084.60 and 18,380,974.80

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Solution

The fourth proportional to 31,146,056.40, 46,719,084.60 and 18,380,974.80 is: 27,571,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146,056.40 : 46,719,084.60 = 18,380,974.80 : x
  2. Step 2: Convert to fraction form
    31,146,056.40/46,719,084.60 = 18,380,974.80/x
  3. Step 3: Cross multiply
    31,146,056.40x = 46,719,084.60 × 18,380,974.80
  4. Step 4: Simplify right side
    31,146,056.40x = 858,742,316,711,668.12
  5. Step 5: Solve for x
    x = 858,742,316,711,668.12/31,146,056.40
  6. Step 6: Final answer
    x = 27,571,462.20

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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.