Home / 21,584,893.20-32,335,349.40-13,039,846.80

Finding the Fourth Proportional to 21,584,893.20, 32,335,349.40 and 13,039,846.80

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Solution

The fourth proportional to 21,584,893.20, 32,335,349.40 and 13,039,846.80 is: 19,534,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,893.20 : 32,335,349.40 = 13,039,846.80 : x
  2. Step 2: Convert to fraction form
    21,584,893.20/32,335,349.40 = 13,039,846.80/x
  3. Step 3: Cross multiply
    21,584,893.20x = 32,335,349.40 × 13,039,846.80
  4. Step 4: Simplify right side
    21,584,893.20x = 421,648,002,400,471.94
  5. Step 5: Solve for x
    x = 421,648,002,400,471.94/21,584,893.20
  6. Step 6: Final answer
    x = 19,534,403.00

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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.