Home / 13,282,624.22-18,323,758.71-7,772,619.02

Finding the Fourth Proportional to 13,282,624.22, 18,323,758.71 and 7,772,619.02

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Solution

The fourth proportional to 13,282,624.22, 18,323,758.71 and 7,772,619.02 is: 10,722,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,624.22 : 18,323,758.71 = 7,772,619.02 : x
  2. Step 2: Convert to fraction form
    13,282,624.22/18,323,758.71 = 7,772,619.02/x
  3. Step 3: Cross multiply
    13,282,624.22x = 18,323,758.71 × 7,772,619.02
  4. Step 4: Simplify right side
    13,282,624.22x = 142,423,595,375,617.88
  5. Step 5: Solve for x
    x = 142,423,595,375,617.88/13,282,624.22
  6. Step 6: Final answer
    x = 10,722,549.48

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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.