Home / 31,077,834.36-42,890,546.70-18,029,084.28

Finding the Fourth Proportional to 31,077,834.36, 42,890,546.70 and 18,029,084.28

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Solution

The fourth proportional to 31,077,834.36, 42,890,546.70 and 18,029,084.28 is: 24,881,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077,834.36 : 42,890,546.70 = 18,029,084.28 : x
  2. Step 2: Convert to fraction form
    31,077,834.36/42,890,546.70 = 18,029,084.28/x
  3. Step 3: Cross multiply
    31,077,834.36x = 42,890,546.70 × 18,029,084.28
  4. Step 4: Simplify right side
    31,077,834.36x = 773,277,281,269,576
  5. Step 5: Solve for x
    x = 773,277,281,269,576/31,077,834.36
  6. Step 6: Final answer
    x = 24,881,955.17

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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.