Home / 7,875,200.40-11,812,800.60-5,722,864.35

Finding the Fourth Proportional to 7,875,200.40, 11,812,800.60 and 5,722,864.35

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Solution

The fourth proportional to 7,875,200.40, 11,812,800.60 and 5,722,864.35 is: 8,584,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,200.40 : 11,812,800.60 = 5,722,864.35 : x
  2. Step 2: Convert to fraction form
    7,875,200.40/11,812,800.60 = 5,722,864.35/x
  3. Step 3: Cross multiply
    7,875,200.40x = 11,812,800.60 × 5,722,864.35
  4. Step 4: Simplify right side
    7,875,200.40x = 67,603,055,427,398.60
  5. Step 5: Solve for x
    x = 67,603,055,427,398.60/7,875,200.40
  6. Step 6: Final answer
    x = 8,584,296.53

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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.