Home / 7,158,258.32-9,878,514.48-3,895,089.44

Finding the Fourth Proportional to 7,158,258.32, 9,878,514.48 and 3,895,089.44

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Solution

The fourth proportional to 7,158,258.32, 9,878,514.48 and 3,895,089.44 is: 5,375,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,258.32 : 9,878,514.48 = 3,895,089.44 : x
  2. Step 2: Convert to fraction form
    7,158,258.32/9,878,514.48 = 3,895,089.44/x
  3. Step 3: Cross multiply
    7,158,258.32x = 9,878,514.48 × 3,895,089.44
  4. Step 4: Simplify right side
    7,158,258.32x = 38,477,697,433,935.09
  5. Step 5: Solve for x
    x = 38,477,697,433,935.09/7,158,258.32
  6. Step 6: Final answer
    x = 5,375,287.63

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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.