Home / 12,806,933.28-17,673,986.84-7,300,208.22

Finding the Fourth Proportional to 12,806,933.28, 17,673,986.84 and 7,300,208.22

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Solution

The fourth proportional to 12,806,933.28, 17,673,986.84 and 7,300,208.22 is: 10,074,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,933.28 : 17,673,986.84 = 7,300,208.22 : x
  2. Step 2: Convert to fraction form
    12,806,933.28/17,673,986.84 = 7,300,208.22/x
  3. Step 3: Cross multiply
    12,806,933.28x = 17,673,986.84 × 7,300,208.22
  4. Step 4: Simplify right side
    12,806,933.28x = 129,023,783,973,038.78
  5. Step 5: Solve for x
    x = 129,023,783,973,038.78/12,806,933.28
  6. Step 6: Final answer
    x = 10,074,526.13

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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.