Home / 13,175,541.06-18,178,101.99-7,373,400.90

Finding the Fourth Proportional to 13,175,541.06, 18,178,101.99 and 7,373,400.90

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Solution

The fourth proportional to 13,175,541.06, 18,178,101.99 and 7,373,400.90 is: 10,172,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,541.06 : 18,178,101.99 = 7,373,400.90 : x
  2. Step 2: Convert to fraction form
    13,175,541.06/18,178,101.99 = 7,373,400.90/x
  3. Step 3: Cross multiply
    13,175,541.06x = 18,178,101.99 × 7,373,400.90
  4. Step 4: Simplify right side
    13,175,541.06x = 134,034,433,573,357.78
  5. Step 5: Solve for x
    x = 134,034,433,573,357.78/13,175,541.06
  6. Step 6: Final answer
    x = 10,172,973.77

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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.