Home / 12,806,931.27-17,673,984.08-7,300,206.21

Finding the Fourth Proportional to 12,806,931.27, 17,673,984.08 and 7,300,206.21

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Solution

The fourth proportional to 12,806,931.27, 17,673,984.08 and 7,300,206.21 is: 10,074,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,931.27 : 17,673,984.08 = 7,300,206.21 : x
  2. Step 2: Convert to fraction form
    12,806,931.27/17,673,984.08 = 7,300,206.21/x
  3. Step 3: Cross multiply
    12,806,931.27x = 17,673,984.08 × 7,300,206.21
  4. Step 4: Simplify right side
    12,806,931.27x = 129,023,728,336,257.12
  5. Step 5: Solve for x
    x = 129,023,728,336,257.12/12,806,931.27
  6. Step 6: Final answer
    x = 10,074,523.37

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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.