Home / 12,017,313.95-17,974,471.29-11,145,031.05

Finding the Fourth Proportional to 12,017,313.95, 17,974,471.29 and 11,145,031.05

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Solution

The fourth proportional to 12,017,313.95, 17,974,471.29 and 11,145,031.05 is: 16,669,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017,313.95 : 17,974,471.29 = 11,145,031.05 : x
  2. Step 2: Convert to fraction form
    12,017,313.95/17,974,471.29 = 11,145,031.05/x
  3. Step 3: Cross multiply
    12,017,313.95x = 17,974,471.29 × 11,145,031.05
  4. Step 4: Simplify right side
    12,017,313.95x = 200,326,040,656,463.81
  5. Step 5: Solve for x
    x = 200,326,040,656,463.81/12,017,313.95
  6. Step 6: Final answer
    x = 16,669,785.07

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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.