Home / 15,033,706.41-20,746,569.23-8,158,186.65

Finding the Fourth Proportional to 15,033,706.41, 20,746,569.23 and 8,158,186.65

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Solution

The fourth proportional to 15,033,706.41, 20,746,569.23 and 8,158,186.65 is: 11,258,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,706.41 : 20,746,569.23 = 8,158,186.65 : x
  2. Step 2: Convert to fraction form
    15,033,706.41/20,746,569.23 = 8,158,186.65/x
  3. Step 3: Cross multiply
    15,033,706.41x = 20,746,569.23 × 8,158,186.65
  4. Step 4: Simplify right side
    15,033,706.41x = 169,254,384,238,978.47
  5. Step 5: Solve for x
    x = 169,254,384,238,978.47/15,033,706.41
  6. Step 6: Final answer
    x = 11,258,327.09

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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.