Home / 7,268,342.40-10,902,513.60-3,479,875.20

Finding the Fourth Proportional to 7,268,342.40, 10,902,513.60 and 3,479,875.20

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Solution

The fourth proportional to 7,268,342.40, 10,902,513.60 and 3,479,875.20 is: 5,219,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,342.40 : 10,902,513.60 = 3,479,875.20 : x
  2. Step 2: Convert to fraction form
    7,268,342.40/10,902,513.60 = 3,479,875.20/x
  3. Step 3: Cross multiply
    7,268,342.40x = 10,902,513.60 × 3,479,875.20
  4. Step 4: Simplify right side
    7,268,342.40x = 37,939,386,694,302.72
  5. Step 5: Solve for x
    x = 37,939,386,694,302.72/7,268,342.40
  6. Step 6: Final answer
    x = 5,219,812.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.