Home / 27,312,938.14-40,965,864.24-12,945,135.46

Finding the Fourth Proportional to 27,312,938.14, 40,965,864.24 and 12,945,135.46

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Solution

The fourth proportional to 27,312,938.14, 40,965,864.24 and 12,945,135.46 is: 19,416,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312,938.14 : 40,965,864.24 = 12,945,135.46 : x
  2. Step 2: Convert to fraction form
    27,312,938.14/40,965,864.24 = 12,945,135.46/x
  3. Step 3: Cross multiply
    27,312,938.14x = 40,965,864.24 × 12,945,135.46
  4. Step 4: Simplify right side
    27,312,938.14x = 530,308,661,822,770
  5. Step 5: Solve for x
    x = 530,308,661,822,770/27,312,938.14
  6. Step 6: Final answer
    x = 19,416,023.98

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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.