Home / 31,262,392.64-43,045,799.16-27,771,678.20

Finding the Fourth Proportional to 31,262,392.64, 43,045,799.16 and 27,771,678.20

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Solution

The fourth proportional to 31,262,392.64, 43,045,799.16 and 27,771,678.20 is: 38,239,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262,392.64 : 43,045,799.16 = 27,771,678.20 : x
  2. Step 2: Convert to fraction form
    31,262,392.64/43,045,799.16 = 27,771,678.20/x
  3. Step 3: Cross multiply
    31,262,392.64x = 43,045,799.16 × 27,771,678.20
  4. Step 4: Simplify right side
    31,262,392.64x = 1,195,454,082,133,350.25
  5. Step 5: Solve for x
    x = 1,195,454,082,133,350.25/31,262,392.64
  6. Step 6: Final answer
    x = 38,239,366.25

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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.