Home / 25,989,836.70-38,942,764.65-16,388,031.90

Finding the Fourth Proportional to 25,989,836.70, 38,942,764.65 and 16,388,031.90

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Solution

The fourth proportional to 25,989,836.70, 38,942,764.65 and 16,388,031.90 is: 24,555,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989,836.70 : 38,942,764.65 = 16,388,031.90 : x
  2. Step 2: Convert to fraction form
    25,989,836.70/38,942,764.65 = 16,388,031.90/x
  3. Step 3: Cross multiply
    25,989,836.70x = 38,942,764.65 × 16,388,031.90
  4. Step 4: Simplify right side
    25,989,836.70x = 638,195,269,358,392.38
  5. Step 5: Solve for x
    x = 638,195,269,358,392.38/25,989,836.70
  6. Step 6: Final answer
    x = 24,555,570.58

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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.