Home / 10,071,013.80-15,106,520.70-8,476,690.80

Finding the Fourth Proportional to 10,071,013.80, 15,106,520.70 and 8,476,690.80

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Solution

The fourth proportional to 10,071,013.80, 15,106,520.70 and 8,476,690.80 is: 12,715,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,013.80 : 15,106,520.70 = 8,476,690.80 : x
  2. Step 2: Convert to fraction form
    10,071,013.80/15,106,520.70 = 8,476,690.80/x
  3. Step 3: Cross multiply
    10,071,013.80x = 15,106,520.70 × 8,476,690.80
  4. Step 4: Simplify right side
    10,071,013.80x = 128,053,305,037,699.56
  5. Step 5: Solve for x
    x = 128,053,305,037,699.56/10,071,013.80
  6. Step 6: Final answer
    x = 12,715,036.20

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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.