Home / 18,434,863.68-25,433,016.48-11,547,355.20

Finding the Fourth Proportional to 18,434,863.68, 25,433,016.48 and 11,547,355.20

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Solution

The fourth proportional to 18,434,863.68, 25,433,016.48 and 11,547,355.20 is: 15,930,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,863.68 : 25,433,016.48 = 11,547,355.20 : x
  2. Step 2: Convert to fraction form
    18,434,863.68/25,433,016.48 = 11,547,355.20/x
  3. Step 3: Cross multiply
    18,434,863.68x = 25,433,016.48 × 11,547,355.20
  4. Step 4: Simplify right side
    18,434,863.68x = 293,684,075,102,013.69
  5. Step 5: Solve for x
    x = 293,684,075,102,013.69/18,434,863.68
  6. Step 6: Final answer
    x = 15,930,905.71

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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.