Home / 25,215,172.40-37,766,771.40-20,736,196.40

Finding the Fourth Proportional to 25,215,172.40, 37,766,771.40 and 20,736,196.40

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Solution

The fourth proportional to 25,215,172.40, 37,766,771.40 and 20,736,196.40 is: 31,058,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215,172.40 : 37,766,771.40 = 20,736,196.40 : x
  2. Step 2: Convert to fraction form
    25,215,172.40/37,766,771.40 = 20,736,196.40/x
  3. Step 3: Cross multiply
    25,215,172.40x = 37,766,771.40 × 20,736,196.40
  4. Step 4: Simplify right side
    25,215,172.40x = 783,139,189,144,302.88
  5. Step 5: Solve for x
    x = 783,139,189,144,302.88/25,215,172.40
  6. Step 6: Final answer
    x = 31,058,252.42

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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.