Home / 14,580,614.40-21,823,682.40-12,880,003.20

Finding the Fourth Proportional to 14,580,614.40, 21,823,682.40 and 12,880,003.20

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Solution

The fourth proportional to 14,580,614.40, 21,823,682.40 and 12,880,003.20 is: 19,278,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,614.40 : 21,823,682.40 = 12,880,003.20 : x
  2. Step 2: Convert to fraction form
    14,580,614.40/21,823,682.40 = 12,880,003.20/x
  3. Step 3: Cross multiply
    14,580,614.40x = 21,823,682.40 × 12,880,003.20
  4. Step 4: Simplify right side
    14,580,614.40x = 281,089,099,147,783.66
  5. Step 5: Solve for x
    x = 281,089,099,147,783.66/14,580,614.40
  6. Step 6: Final answer
    x = 19,278,275.35

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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.