Home / 13,247,983.20-19,871,974.80-13,164,002.40

Finding the Fourth Proportional to 13,247,983.20, 19,871,974.80 and 13,164,002.40

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Solution

The fourth proportional to 13,247,983.20, 19,871,974.80 and 13,164,002.40 is: 19,746,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,983.20 : 19,871,974.80 = 13,164,002.40 : x
  2. Step 2: Convert to fraction form
    13,247,983.20/19,871,974.80 = 13,164,002.40/x
  3. Step 3: Cross multiply
    13,247,983.20x = 19,871,974.80 × 13,164,002.40
  4. Step 4: Simplify right side
    13,247,983.20x = 261,594,723,959,939.53
  5. Step 5: Solve for x
    x = 261,594,723,959,939.53/13,247,983.20
  6. Step 6: Final answer
    x = 19,746,003.60

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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.