Home / 9,147,037.44-12,622,001.28-5,280,806.40

Finding the Fourth Proportional to 9,147,037.44, 12,622,001.28 and 5,280,806.40

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Solution

The fourth proportional to 9,147,037.44, 12,622,001.28 and 5,280,806.40 is: 7,286,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,037.44 : 12,622,001.28 = 5,280,806.40 : x
  2. Step 2: Convert to fraction form
    9,147,037.44/12,622,001.28 = 5,280,806.40/x
  3. Step 3: Cross multiply
    9,147,037.44x = 12,622,001.28 × 5,280,806.40
  4. Step 4: Simplify right side
    9,147,037.44x = 66,654,345,140,232.20
  5. Step 5: Solve for x
    x = 66,654,345,140,232.20/9,147,037.44
  6. Step 6: Final answer
    x = 7,286,987.24

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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.