Home / 11,247,349.60-16,871,024.40-8,239,247.20

Finding the Fourth Proportional to 11,247,349.60, 16,871,024.40 and 8,239,247.20

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Solution

The fourth proportional to 11,247,349.60, 16,871,024.40 and 8,239,247.20 is: 12,358,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,349.60 : 16,871,024.40 = 8,239,247.20 : x
  2. Step 2: Convert to fraction form
    11,247,349.60/16,871,024.40 = 8,239,247.20/x
  3. Step 3: Cross multiply
    11,247,349.60x = 16,871,024.40 × 8,239,247.20
  4. Step 4: Simplify right side
    11,247,349.60x = 139,004,540,548,831.67
  5. Step 5: Solve for x
    x = 139,004,540,548,831.67/11,247,349.60
  6. Step 6: Final answer
    x = 12,358,870.80

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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.