Home / 7,638,286.12-10,541,112-4,375,731.40

Finding the Fourth Proportional to 7,638,286.12, 10,541,112 and 4,375,731.40

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Solution

The fourth proportional to 7,638,286.12, 10,541,112 and 4,375,731.40 is: 6,038,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,286.12 : 10,541,112 = 4,375,731.40 : x
  2. Step 2: Convert to fraction form
    7,638,286.12/10,541,112 = 4,375,731.40/x
  3. Step 3: Cross multiply
    7,638,286.12x = 10,541,112 × 4,375,731.40
  4. Step 4: Simplify right side
    7,638,286.12x = 46,125,074,769,316.80
  5. Step 5: Solve for x
    x = 46,125,074,769,316.80/7,638,286.12
  6. Step 6: Final answer
    x = 6,038,668.10

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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.