Home / 12,806,928.53-17,673,980.27-7,300,203.47

Finding the Fourth Proportional to 12,806,928.53, 17,673,980.27 and 7,300,203.47

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Solution

The fourth proportional to 12,806,928.53, 17,673,980.27 and 7,300,203.47 is: 10,074,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,928.53 : 17,673,980.27 = 7,300,203.47 : x
  2. Step 2: Convert to fraction form
    12,806,928.53/17,673,980.27 = 7,300,203.47/x
  3. Step 3: Cross multiply
    12,806,928.53x = 17,673,980.27 × 7,300,203.47
  4. Step 4: Simplify right side
    12,806,928.53x = 129,023,652,007,395.62
  5. Step 5: Solve for x
    x = 129,023,652,007,395.62/12,806,928.53
  6. Step 6: Final answer
    x = 10,074,519.57

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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.