Home / 8,111,037.84-12,158,148.78-5,071,423.59

Finding the Fourth Proportional to 8,111,037.84, 12,158,148.78 and 5,071,423.59

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Solution

The fourth proportional to 8,111,037.84, 12,158,148.78 and 5,071,423.59 is: 7,601,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111,037.84 : 12,158,148.78 = 5,071,423.59 : x
  2. Step 2: Convert to fraction form
    8,111,037.84/12,158,148.78 = 5,071,423.59/x
  3. Step 3: Cross multiply
    8,111,037.84x = 12,158,148.78 × 5,071,423.59
  4. Step 4: Simplify right side
    8,111,037.84x = 61,659,122,553,549.38
  5. Step 5: Solve for x
    x = 61,659,122,553,549.38/8,111,037.84
  6. Step 6: Final answer
    x = 7,601,878.30

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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.