Home / 21,984,016.80-32,976,025.20-16,315,312.80

Finding the Fourth Proportional to 21,984,016.80, 32,976,025.20 and 16,315,312.80

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Solution

The fourth proportional to 21,984,016.80, 32,976,025.20 and 16,315,312.80 is: 24,472,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,016.80 : 32,976,025.20 = 16,315,312.80 : x
  2. Step 2: Convert to fraction form
    21,984,016.80/32,976,025.20 = 16,315,312.80/x
  3. Step 3: Cross multiply
    21,984,016.80x = 32,976,025.20 × 16,315,312.80
  4. Step 4: Simplify right side
    21,984,016.80x = 538,014,166,038,682.56
  5. Step 5: Solve for x
    x = 538,014,166,038,682.56/21,984,016.80
  6. Step 6: Final answer
    x = 24,472,969.20

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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.