Home / 19,910,489.04-29,871,934.38-7,131,104.46

Finding the Fourth Proportional to 19,910,489.04, 29,871,934.38 and 7,131,104.46

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Solution

The fourth proportional to 19,910,489.04, 29,871,934.38 and 7,131,104.46 is: 10,698,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910,489.04 : 29,871,934.38 = 7,131,104.46 : x
  2. Step 2: Convert to fraction form
    19,910,489.04/29,871,934.38 = 7,131,104.46/x
  3. Step 3: Cross multiply
    19,910,489.04x = 29,871,934.38 × 7,131,104.46
  4. Step 4: Simplify right side
    19,910,489.04x = 213,019,884,486,045.31
  5. Step 5: Solve for x
    x = 213,019,884,486,045.31/19,910,489.04
  6. Step 6: Final answer
    x = 10,698,877.56

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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.