Home / 13,247,348.20-19,871,022.30-12,463,527.40

Finding the Fourth Proportional to 13,247,348.20, 19,871,022.30 and 12,463,527.40

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Solution

The fourth proportional to 13,247,348.20, 19,871,022.30 and 12,463,527.40 is: 18,695,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,348.20 : 19,871,022.30 = 12,463,527.40 : x
  2. Step 2: Convert to fraction form
    13,247,348.20/19,871,022.30 = 12,463,527.40/x
  3. Step 3: Cross multiply
    13,247,348.20x = 19,871,022.30 × 12,463,527.40
  4. Step 4: Simplify right side
    13,247,348.20x = 247,663,030,902,061.03
  5. Step 5: Solve for x
    x = 247,663,030,902,061.03/13,247,348.20
  6. Step 6: Final answer
    x = 18,695,291.10

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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.