Home / 25,473,540.40-38,210,642.76-7,278,329.17

Finding the Fourth Proportional to 25,473,540.40, 38,210,642.76 and 7,278,329.17

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Solution

The fourth proportional to 25,473,540.40, 38,210,642.76 and 7,278,329.17 is: 10,917,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473,540.40 : 38,210,642.76 = 7,278,329.17 : x
  2. Step 2: Convert to fraction form
    25,473,540.40/38,210,642.76 = 7,278,329.17/x
  3. Step 3: Cross multiply
    25,473,540.40x = 38,210,642.76 × 7,278,329.17
  4. Step 4: Simplify right side
    25,473,540.40x = 278,109,635,603,272.25
  5. Step 5: Solve for x
    x = 278,109,635,603,272.25/25,473,540.40
  6. Step 6: Final answer
    x = 10,917,588.65

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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.