Home / 21,921,766.40-32,882,649.60-10,563,363.20

Finding the Fourth Proportional to 21,921,766.40, 32,882,649.60 and 10,563,363.20

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Solution

The fourth proportional to 21,921,766.40, 32,882,649.60 and 10,563,363.20 is: 15,845,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,766.40 : 32,882,649.60 = 10,563,363.20 : x
  2. Step 2: Convert to fraction form
    21,921,766.40/32,882,649.60 = 10,563,363.20/x
  3. Step 3: Cross multiply
    21,921,766.40x = 32,882,649.60 × 10,563,363.20
  4. Step 4: Simplify right side
    21,921,766.40x = 347,351,370,703,134.69
  5. Step 5: Solve for x
    x = 347,351,370,703,134.69/21,921,766.40
  6. Step 6: Final answer
    x = 15,845,044.80

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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.