Home / 27,960,565.68-38,565,704.07-18,663,447.78

Finding the Fourth Proportional to 27,960,565.68, 38,565,704.07 and 18,663,447.78

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Solution

The fourth proportional to 27,960,565.68, 38,565,704.07 and 18,663,447.78 is: 25,742,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,565.68 : 38,565,704.07 = 18,663,447.78 : x
  2. Step 2: Convert to fraction form
    27,960,565.68/38,565,704.07 = 18,663,447.78/x
  3. Step 3: Cross multiply
    27,960,565.68x = 38,565,704.07 × 18,663,447.78
  4. Step 4: Simplify right side
    27,960,565.68x = 719,769,004,009,378.50
  5. Step 5: Solve for x
    x = 719,769,004,009,378.50/27,960,565.68
  6. Step 6: Final answer
    x = 25,742,290.49

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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.