Home / 28,161,833.46-38,856,669.21-15,938,690.10

Finding the Fourth Proportional to 28,161,833.46, 38,856,669.21 and 15,938,690.10

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Solution

The fourth proportional to 28,161,833.46, 38,856,669.21 and 15,938,690.10 is: 21,991,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161,833.46 : 38,856,669.21 = 15,938,690.10 : x
  2. Step 2: Convert to fraction form
    28,161,833.46/38,856,669.21 = 15,938,690.10/x
  3. Step 3: Cross multiply
    28,161,833.46x = 38,856,669.21 × 15,938,690.10
  4. Step 4: Simplify right side
    28,161,833.46x = 619,324,408,856,401.88
  5. Step 5: Solve for x
    x = 619,324,408,856,401.88/28,161,833.46
  6. Step 6: Final answer
    x = 21,991,622.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.