Home / 27,286,972.20-40,930,458.30-12,938,065.20

Finding the Fourth Proportional to 27,286,972.20, 40,930,458.30 and 12,938,065.20

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Solution

The fourth proportional to 27,286,972.20, 40,930,458.30 and 12,938,065.20 is: 19,407,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286,972.20 : 40,930,458.30 = 12,938,065.20 : x
  2. Step 2: Convert to fraction form
    27,286,972.20/40,930,458.30 = 12,938,065.20/x
  3. Step 3: Cross multiply
    27,286,972.20x = 40,930,458.30 × 12,938,065.20
  4. Step 4: Simplify right side
    27,286,972.20x = 529,560,938,151,281.06
  5. Step 5: Solve for x
    x = 529,560,938,151,281.06/27,286,972.20
  6. Step 6: Final answer
    x = 19,407,097.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.