Home / 9,136,928.79-12,608,961.80-5,062,547.79

Finding the Fourth Proportional to 9,136,928.79, 12,608,961.80 and 5,062,547.79

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Solution

The fourth proportional to 9,136,928.79, 12,608,961.80 and 5,062,547.79 is: 6,986,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136,928.79 : 12,608,961.80 = 5,062,547.79 : x
  2. Step 2: Convert to fraction form
    9,136,928.79/12,608,961.80 = 5,062,547.79/x
  3. Step 3: Cross multiply
    9,136,928.79x = 12,608,961.80 × 5,062,547.79
  4. Step 4: Simplify right side
    9,136,928.79x = 63,833,471,669,471.68
  5. Step 5: Solve for x
    x = 63,833,471,669,471.68/9,136,928.79
  6. Step 6: Final answer
    x = 6,986,315.99

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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.