Home / 25,266,043.20-37,845,920.70-21,014,515.20

Finding the Fourth Proportional to 25,266,043.20, 37,845,920.70 and 21,014,515.20

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Solution

The fourth proportional to 25,266,043.20, 37,845,920.70 and 21,014,515.20 is: 31,477,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266,043.20 : 37,845,920.70 = 21,014,515.20 : x
  2. Step 2: Convert to fraction form
    25,266,043.20/37,845,920.70 = 21,014,515.20/x
  3. Step 3: Cross multiply
    25,266,043.20x = 37,845,920.70 × 21,014,515.20
  4. Step 4: Simplify right side
    25,266,043.20x = 795,313,675,808,144.62
  5. Step 5: Solve for x
    x = 795,313,675,808,144.62/25,266,043.20
  6. Step 6: Final answer
    x = 31,477,571.28

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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.