Home / 12,584,777.40-18,881,831.70-12,118,217.40

Finding the Fourth Proportional to 12,584,777.40, 18,881,831.70 and 12,118,217.40

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Solution

The fourth proportional to 12,584,777.40, 18,881,831.70 and 12,118,217.40 is: 18,181,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,777.40 : 18,881,831.70 = 12,118,217.40 : x
  2. Step 2: Convert to fraction form
    12,584,777.40/18,881,831.70 = 12,118,217.40/x
  3. Step 3: Cross multiply
    12,584,777.40x = 18,881,831.70 × 12,118,217.40
  4. Step 4: Simplify right side
    12,584,777.40x = 228,814,141,450,811.56
  5. Step 5: Solve for x
    x = 228,814,141,450,811.56/12,584,777.40
  6. Step 6: Final answer
    x = 18,181,818.73

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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.