Home / 15,787,000.51-21,786,060.51-8,543,656.51

Finding the Fourth Proportional to 15,787,000.51, 21,786,060.51 and 8,543,656.51

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Solution

The fourth proportional to 15,787,000.51, 21,786,060.51 and 8,543,656.51 is: 11,790,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,000.51 : 21,786,060.51 = 8,543,656.51 : x
  2. Step 2: Convert to fraction form
    15,787,000.51/21,786,060.51 = 8,543,656.51/x
  3. Step 3: Cross multiply
    15,787,000.51x = 21,786,060.51 × 8,543,656.51
  4. Step 4: Simplify right side
    15,787,000.51x = 186,132,617,649,050.28
  5. Step 5: Solve for x
    x = 186,132,617,649,050.28/15,787,000.51
  6. Step 6: Final answer
    x = 11,790,245.88

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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.