Home / 25,664,216.45-38,355,424.52-18,762,225.75

Finding the Fourth Proportional to 25,664,216.45, 38,355,424.52 and 18,762,225.75

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Solution

The fourth proportional to 25,664,216.45, 38,355,424.52 and 18,762,225.75 is: 28,040,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664,216.45 : 38,355,424.52 = 18,762,225.75 : x
  2. Step 2: Convert to fraction form
    25,664,216.45/38,355,424.52 = 18,762,225.75/x
  3. Step 3: Cross multiply
    25,664,216.45x = 38,355,424.52 × 18,762,225.75
  4. Step 4: Simplify right side
    25,664,216.45x = 719,633,133,487,514.25
  5. Step 5: Solve for x
    x = 719,633,133,487,514.25/25,664,216.45
  6. Step 6: Final answer
    x = 28,040,331.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.