Home / 21,583,738.40-32,374,858.80-5,409,831.20

Finding the Fourth Proportional to 21,583,738.40, 32,374,858.80 and 5,409,831.20

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Solution

The fourth proportional to 21,583,738.40, 32,374,858.80 and 5,409,831.20 is: 8,114,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,738.40 : 32,374,858.80 = 5,409,831.20 : x
  2. Step 2: Convert to fraction form
    21,583,738.40/32,374,858.80 = 5,409,831.20/x
  3. Step 3: Cross multiply
    21,583,738.40x = 32,374,858.80 × 5,409,831.20
  4. Step 4: Simplify right side
    21,583,738.40x = 175,142,521,231,834.56
  5. Step 5: Solve for x
    x = 175,142,521,231,834.56/21,583,738.40
  6. Step 6: Final answer
    x = 8,114,559.12

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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.