Home / 19,910,491.04-29,871,937.38-7,131,106.46

Finding the Fourth Proportional to 19,910,491.04, 29,871,937.38 and 7,131,106.46

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Solution

The fourth proportional to 19,910,491.04, 29,871,937.38 and 7,131,106.46 is: 10,698,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910,491.04 : 29,871,937.38 = 7,131,106.46 : x
  2. Step 2: Convert to fraction form
    19,910,491.04/29,871,937.38 = 7,131,106.46/x
  3. Step 3: Cross multiply
    19,910,491.04x = 29,871,937.38 × 7,131,106.46
  4. Step 4: Simplify right side
    19,910,491.04x = 213,019,965,623,233.47
  5. Step 5: Solve for x
    x = 213,019,965,623,233.47/19,910,491.04
  6. Step 6: Final answer
    x = 10,698,880.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.