Home / 9,361,362.19-12,918,697.39-5,231,393.36

Finding the Fourth Proportional to 9,361,362.19, 12,918,697.39 and 5,231,393.36

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Solution

The fourth proportional to 9,361,362.19, 12,918,697.39 and 5,231,393.36 is: 7,219,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,362.19 : 12,918,697.39 = 5,231,393.36 : x
  2. Step 2: Convert to fraction form
    9,361,362.19/12,918,697.39 = 5,231,393.36/x
  3. Step 3: Cross multiply
    9,361,362.19x = 12,918,697.39 × 5,231,393.36
  4. Step 4: Simplify right side
    9,361,362.19x = 67,582,787,745,895.34
  5. Step 5: Solve for x
    x = 67,582,787,745,895.34/9,361,362.19
  6. Step 6: Final answer
    x = 7,219,332.65

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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.