Home / 25,477,626.33-38,178,647.75-18,712,972.89

Finding the Fourth Proportional to 25,477,626.33, 38,178,647.75 and 18,712,972.89

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Solution

The fourth proportional to 25,477,626.33, 38,178,647.75 and 18,712,972.89 is: 28,041,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477,626.33 : 38,178,647.75 = 18,712,972.89 : x
  2. Step 2: Convert to fraction form
    25,477,626.33/38,178,647.75 = 18,712,972.89/x
  3. Step 3: Cross multiply
    25,477,626.33x = 38,178,647.75 × 18,712,972.89
  4. Step 4: Simplify right side
    25,477,626.33x = 714,436,000,369,391.88
  5. Step 5: Solve for x
    x = 714,436,000,369,391.88/25,477,626.33
  6. Step 6: Final answer
    x = 28,041,701.81

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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.