Home / 13,134,445.72-18,125,570.24-7,333,435.04

Finding the Fourth Proportional to 13,134,445.72, 18,125,570.24 and 7,333,435.04

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Solution

The fourth proportional to 13,134,445.72, 18,125,570.24 and 7,333,435.04 is: 10,120,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,445.72 : 18,125,570.24 = 7,333,435.04 : x
  2. Step 2: Convert to fraction form
    13,134,445.72/18,125,570.24 = 7,333,435.04/x
  3. Step 3: Cross multiply
    13,134,445.72x = 18,125,570.24 × 7,333,435.04
  4. Step 4: Simplify right side
    13,134,445.72x = 132,922,691,818,202.56
  5. Step 5: Solve for x
    x = 132,922,691,818,202.56/13,134,445.72
  6. Step 6: Final answer
    x = 10,120,159.97

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1.5x scale

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.