Home / 8,685,925.92-11,986,036.56-5,246,134.56

Finding the Fourth Proportional to 8,685,925.92, 11,986,036.56 and 5,246,134.56

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Solution

The fourth proportional to 8,685,925.92, 11,986,036.56 and 5,246,134.56 is: 7,239,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,925.92 : 11,986,036.56 = 5,246,134.56 : x
  2. Step 2: Convert to fraction form
    8,685,925.92/11,986,036.56 = 5,246,134.56/x
  3. Step 3: Cross multiply
    8,685,925.92x = 11,986,036.56 × 5,246,134.56
  4. Step 4: Simplify right side
    8,685,925.92x = 62,880,360,634,839.51
  5. Step 5: Solve for x
    x = 62,880,360,634,839.51/8,685,925.92
  6. Step 6: Final answer
    x = 7,239,338.81

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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.