Home / 7,921,685.30-11,862,063.52-5,467,274.69

Finding the Fourth Proportional to 7,921,685.30, 11,862,063.52 and 5,467,274.69

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Solution

The fourth proportional to 7,921,685.30, 11,862,063.52 and 5,467,274.69 is: 8,186,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,685.30 : 11,862,063.52 = 5,467,274.69 : x
  2. Step 2: Convert to fraction form
    7,921,685.30/11,862,063.52 = 5,467,274.69/x
  3. Step 3: Cross multiply
    7,921,685.30x = 11,862,063.52 × 5,467,274.69
  4. Step 4: Simplify right side
    7,921,685.30x = 64,853,159,654,068.31
  5. Step 5: Solve for x
    x = 64,853,159,654,068.31/7,921,685.30
  6. Step 6: Final answer
    x = 8,186,788.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.