Home / 25,989,848.45-38,942,782.28-16,388,043.65

Finding the Fourth Proportional to 25,989,848.45, 38,942,782.28 and 16,388,043.65

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Solution

The fourth proportional to 25,989,848.45, 38,942,782.28 and 16,388,043.65 is: 24,555,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989,848.45 : 38,942,782.28 = 16,388,043.65 : x
  2. Step 2: Convert to fraction form
    25,989,848.45/38,942,782.28 = 16,388,043.65/x
  3. Step 3: Cross multiply
    25,989,848.45x = 38,942,782.28 × 16,388,043.65
  4. Step 4: Simplify right side
    25,989,848.45x = 638,196,015,775,146.25
  5. Step 5: Solve for x
    x = 638,196,015,775,146.25/25,989,848.45
  6. Step 6: Final answer
    x = 24,555,588.19

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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.