Home / 31,328,097.36-43,235,510.04-18,279,560.04

Finding the Fourth Proportional to 31,328,097.36, 43,235,510.04 and 18,279,560.04

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Solution

The fourth proportional to 31,328,097.36, 43,235,510.04 and 18,279,560.04 is: 25,227,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328,097.36 : 43,235,510.04 = 18,279,560.04 : x
  2. Step 2: Convert to fraction form
    31,328,097.36/43,235,510.04 = 18,279,560.04/x
  3. Step 3: Cross multiply
    31,328,097.36x = 43,235,510.04 × 18,279,560.04
  4. Step 4: Simplify right side
    31,328,097.36x = 790,326,101,636,202.75
  5. Step 5: Solve for x
    x = 790,326,101,636,202.75/31,328,097.36
  6. Step 6: Final answer
    x = 25,227,389.09

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1.5x scale

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.