Home / 7,115,282.96-9,819,020.04-3,852,011.60

Finding the Fourth Proportional to 7,115,282.96, 9,819,020.04 and 3,852,011.60

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Solution

The fourth proportional to 7,115,282.96, 9,819,020.04 and 3,852,011.60 is: 5,315,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,282.96 : 9,819,020.04 = 3,852,011.60 : x
  2. Step 2: Convert to fraction form
    7,115,282.96/9,819,020.04 = 3,852,011.60/x
  3. Step 3: Cross multiply
    7,115,282.96x = 9,819,020.04 × 3,852,011.60
  4. Step 4: Simplify right side
    7,115,282.96x = 37,822,979,094,712.46
  5. Step 5: Solve for x
    x = 37,822,979,094,712.46/7,115,282.96
  6. Step 6: Final answer
    x = 5,315,737.87

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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.