Home / 12,347,376.16-17,036,301.36-7,121,981.92

Finding the Fourth Proportional to 12,347,376.16, 17,036,301.36 and 7,121,981.92

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Solution

The fourth proportional to 12,347,376.16, 17,036,301.36 and 7,121,981.92 is: 9,826,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,376.16 : 17,036,301.36 = 7,121,981.92 : x
  2. Step 2: Convert to fraction form
    12,347,376.16/17,036,301.36 = 7,121,981.92/x
  3. Step 3: Cross multiply
    12,347,376.16x = 17,036,301.36 × 7,121,981.92
  4. Step 4: Simplify right side
    12,347,376.16x = 121,332,230,269,591.41
  5. Step 5: Solve for x
    x = 121,332,230,269,591.41/12,347,376.16
  6. Step 6: Final answer
    x = 9,826,559.80

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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.