Home / 13,590,436.92-18,754,560.30-7,395,272.88

Finding the Fourth Proportional to 13,590,436.92, 18,754,560.30 and 7,395,272.88

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Solution

The fourth proportional to 13,590,436.92, 18,754,560.30 and 7,395,272.88 is: 10,205,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,436.92 : 18,754,560.30 = 7,395,272.88 : x
  2. Step 2: Convert to fraction form
    13,590,436.92/18,754,560.30 = 7,395,272.88/x
  3. Step 3: Cross multiply
    13,590,436.92x = 18,754,560.30 × 7,395,272.88
  4. Step 4: Simplify right side
    13,590,436.92x = 138,695,091,162,914.67
  5. Step 5: Solve for x
    x = 138,695,091,162,914.67/13,590,436.92
  6. Step 6: Final answer
    x = 10,205,344.54

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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.