Home / 19,871,521.47-29,776,859.01-13,370,517.16

Finding the Fourth Proportional to 19,871,521.47, 29,776,859.01 and 13,370,517.16

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Solution

The fourth proportional to 19,871,521.47, 29,776,859.01 and 13,370,517.16 is: 20,035,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871,521.47 : 29,776,859.01 = 13,370,517.16 : x
  2. Step 2: Convert to fraction form
    19,871,521.47/29,776,859.01 = 13,370,517.16/x
  3. Step 3: Cross multiply
    19,871,521.47x = 29,776,859.01 × 13,370,517.16
  4. Step 4: Simplify right side
    19,871,521.47x = 398,132,004,289,663.50
  5. Step 5: Solve for x
    x = 398,132,004,289,663.50/19,871,521.47
  6. Step 6: Final answer
    x = 20,035,305.54

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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.