Home / 8,986,831.80-13,480,247.70-8,490,820.20

Finding the Fourth Proportional to 8,986,831.80, 13,480,247.70 and 8,490,820.20

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Solution

The fourth proportional to 8,986,831.80, 13,480,247.70 and 8,490,820.20 is: 12,736,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,831.80 : 13,480,247.70 = 8,490,820.20 : x
  2. Step 2: Convert to fraction form
    8,986,831.80/13,480,247.70 = 8,490,820.20/x
  3. Step 3: Cross multiply
    8,986,831.80x = 13,480,247.70 × 8,490,820.20
  4. Step 4: Simplify right side
    8,986,831.80x = 114,458,359,472,163.53
  5. Step 5: Solve for x
    x = 114,458,359,472,163.53/8,986,831.80
  6. Step 6: Final answer
    x = 12,736,230.30

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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.