Home / 13,565,247.36-18,720,036.96-7,454,069.52

Finding the Fourth Proportional to 13,565,247.36, 18,720,036.96 and 7,454,069.52

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Solution

The fourth proportional to 13,565,247.36, 18,720,036.96 and 7,454,069.52 is: 10,286,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,247.36 : 18,720,036.96 = 7,454,069.52 : x
  2. Step 2: Convert to fraction form
    13,565,247.36/18,720,036.96 = 7,454,069.52/x
  3. Step 3: Cross multiply
    13,565,247.36x = 18,720,036.96 × 7,454,069.52
  4. Step 4: Simplify right side
    13,565,247.36x = 139,540,456,916,809.45
  5. Step 5: Solve for x
    x = 139,540,456,916,809.45/13,565,247.36
  6. Step 6: Final answer
    x = 10,286,613.52

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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.