Home / 31,026,918.12-42,820,171.35-23,172,794.75

Finding the Fourth Proportional to 31,026,918.12, 42,820,171.35 and 23,172,794.75

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Solution

The fourth proportional to 31,026,918.12, 42,820,171.35 and 23,172,794.75 is: 31,980,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026,918.12 : 42,820,171.35 = 23,172,794.75 : x
  2. Step 2: Convert to fraction form
    31,026,918.12/42,820,171.35 = 23,172,794.75/x
  3. Step 3: Cross multiply
    31,026,918.12x = 42,820,171.35 × 23,172,794.75
  4. Step 4: Simplify right side
    31,026,918.12x = 992,263,041,639,279.62
  5. Step 5: Solve for x
    x = 992,263,041,639,279.62/31,026,918.12
  6. Step 6: Final answer
    x = 31,980,715.51

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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.