Home / 8,871,239.80-13,306,859.70-3,191,649.40

Finding the Fourth Proportional to 8,871,239.80, 13,306,859.70 and 3,191,649.40

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Solution

The fourth proportional to 8,871,239.80, 13,306,859.70 and 3,191,649.40 is: 4,787,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,239.80 : 13,306,859.70 = 3,191,649.40 : x
  2. Step 2: Convert to fraction form
    8,871,239.80/13,306,859.70 = 3,191,649.40/x
  3. Step 3: Cross multiply
    8,871,239.80x = 13,306,859.70 × 3,191,649.40
  4. Step 4: Simplify right side
    8,871,239.80x = 42,470,830,777,389.18
  5. Step 5: Solve for x
    x = 42,470,830,777,389.18/8,871,239.80
  6. Step 6: Final answer
    x = 4,787,474.10

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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.