Home / 31,186,751.60-43,035,532.40-18,133,084.42

Finding the Fourth Proportional to 31,186,751.60, 43,035,532.40 and 18,133,084.42

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Solution

The fourth proportional to 31,186,751.60, 43,035,532.40 and 18,133,084.42 is: 25,022,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186,751.60 : 43,035,532.40 = 18,133,084.42 : x
  2. Step 2: Convert to fraction form
    31,186,751.60/43,035,532.40 = 18,133,084.42/x
  3. Step 3: Cross multiply
    31,186,751.60x = 43,035,532.40 × 18,133,084.42
  4. Step 4: Simplify right side
    31,186,751.60x = 780,366,942,068,845.25
  5. Step 5: Solve for x
    x = 780,366,942,068,845.25/31,186,751.60
  6. Step 6: Final answer
    x = 25,022,386.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.