Home / 20,223,014.40-30,334,521.60-8,885,606.40

Finding the Fourth Proportional to 20,223,014.40, 30,334,521.60 and 8,885,606.40

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Solution

The fourth proportional to 20,223,014.40, 30,334,521.60 and 8,885,606.40 is: 13,328,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,014.40 : 30,334,521.60 = 8,885,606.40 : x
  2. Step 2: Convert to fraction form
    20,223,014.40/30,334,521.60 = 8,885,606.40/x
  3. Step 3: Cross multiply
    20,223,014.40x = 30,334,521.60 × 8,885,606.40
  4. Step 4: Simplify right side
    20,223,014.40x = 269,540,619,269,898.25
  5. Step 5: Solve for x
    x = 269,540,619,269,898.25/20,223,014.40
  6. Step 6: Final answer
    x = 13,328,409.60

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1.5x scale

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.