Home / 27,781,901.78-41,674,427.30-8,615,383.70

Finding the Fourth Proportional to 27,781,901.78, 41,674,427.30 and 8,615,383.70

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Solution

The fourth proportional to 27,781,901.78, 41,674,427.30 and 8,615,383.70 is: 12,923,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781,901.78 : 41,674,427.30 = 8,615,383.70 : x
  2. Step 2: Convert to fraction form
    27,781,901.78/41,674,427.30 = 8,615,383.70/x
  3. Step 3: Cross multiply
    27,781,901.78x = 41,674,427.30 × 8,615,383.70
  4. Step 4: Simplify right side
    27,781,901.78x = 359,041,181,480,421.38
  5. Step 5: Solve for x
    x = 359,041,181,480,421.38/27,781,901.78
  6. Step 6: Final answer
    x = 12,923,563.85

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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.