Home / 12,950,632.24-17,871,403.08-7,149,289.12

Finding the Fourth Proportional to 12,950,632.24, 17,871,403.08 and 7,149,289.12

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Solution

The fourth proportional to 12,950,632.24, 17,871,403.08 and 7,149,289.12 is: 9,865,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,632.24 : 17,871,403.08 = 7,149,289.12 : x
  2. Step 2: Convert to fraction form
    12,950,632.24/17,871,403.08 = 7,149,289.12/x
  3. Step 3: Cross multiply
    12,950,632.24x = 17,871,403.08 × 7,149,289.12
  4. Step 4: Simplify right side
    12,950,632.24x = 127,767,827,598,978.48
  5. Step 5: Solve for x
    x = 127,767,827,598,978.48/12,950,632.24
  6. Step 6: Final answer
    x = 9,865,759.85

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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.