Home / 15,033,758.76-20,746,641.65-8,158,239

Finding the Fourth Proportional to 15,033,758.76, 20,746,641.65 and 8,158,239

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Solution

The fourth proportional to 15,033,758.76, 20,746,641.65 and 8,158,239 is: 11,258,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,758.76 : 20,746,641.65 = 8,158,239 : x
  2. Step 2: Convert to fraction form
    15,033,758.76/20,746,641.65 = 8,158,239/x
  3. Step 3: Cross multiply
    15,033,758.76x = 20,746,641.65 × 8,158,239
  4. Step 4: Simplify right side
    15,033,758.76x = 169,256,060,987,263.16
  5. Step 5: Solve for x
    x = 169,256,060,987,263.16/15,033,758.76
  6. Step 6: Final answer
    x = 11,258,399.43

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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.