Home / 13,259,548.80-19,889,323.20-6,871,759.20

Finding the Fourth Proportional to 13,259,548.80, 19,889,323.20 and 6,871,759.20

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Solution

The fourth proportional to 13,259,548.80, 19,889,323.20 and 6,871,759.20 is: 10,307,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,548.80 : 19,889,323.20 = 6,871,759.20 : x
  2. Step 2: Convert to fraction form
    13,259,548.80/19,889,323.20 = 6,871,759.20/x
  3. Step 3: Cross multiply
    13,259,548.80x = 19,889,323.20 × 6,871,759.20
  4. Step 4: Simplify right side
    13,259,548.80x = 136,674,639,681,373.44
  5. Step 5: Solve for x
    x = 136,674,639,681,373.44/13,259,548.80
  6. Step 6: Final answer
    x = 10,307,638.80

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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.