Home / 7,175,812.60-9,905,020.62-4,276,112.92

Finding the Fourth Proportional to 7,175,812.60, 9,905,020.62 and 4,276,112.92

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Solution

The fourth proportional to 7,175,812.60, 9,905,020.62 and 4,276,112.92 is: 5,902,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,812.60 : 9,905,020.62 = 4,276,112.92 : x
  2. Step 2: Convert to fraction form
    7,175,812.60/9,905,020.62 = 4,276,112.92/x
  3. Step 3: Cross multiply
    7,175,812.60x = 9,905,020.62 × 4,276,112.92
  4. Step 4: Simplify right side
    7,175,812.60x = 42,354,986,646,048.41
  5. Step 5: Solve for x
    x = 42,354,986,646,048.41/7,175,812.60
  6. Step 6: Final answer
    x = 5,902,465.55

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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.