Home / 10,151,631.68-15,228,345.06-2,865,156.39

Finding the Fourth Proportional to 10,151,631.68, 15,228,345.06 and 2,865,156.39

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Solution

The fourth proportional to 10,151,631.68, 15,228,345.06 and 2,865,156.39 is: 4,297,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151,631.68 : 15,228,345.06 = 2,865,156.39 : x
  2. Step 2: Convert to fraction form
    10,151,631.68/15,228,345.06 = 2,865,156.39/x
  3. Step 3: Cross multiply
    10,151,631.68x = 15,228,345.06 × 2,865,156.39
  4. Step 4: Simplify right side
    10,151,631.68x = 43,631,590,157,783.94
  5. Step 5: Solve for x
    x = 43,631,590,157,783.94/10,151,631.68
  6. Step 6: Final answer
    x = 4,297,987.91

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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.