Home / 21,521,651.70-32,282,477.55-7,874,771.70

Finding the Fourth Proportional to 21,521,651.70, 32,282,477.55 and 7,874,771.70

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Solution

The fourth proportional to 21,521,651.70, 32,282,477.55 and 7,874,771.70 is: 11,812,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,651.70 : 32,282,477.55 = 7,874,771.70 : x
  2. Step 2: Convert to fraction form
    21,521,651.70/32,282,477.55 = 7,874,771.70/x
  3. Step 3: Cross multiply
    21,521,651.70x = 32,282,477.55 × 7,874,771.70
  4. Step 4: Simplify right side
    21,521,651.70x = 254,217,140,616,625.34
  5. Step 5: Solve for x
    x = 254,217,140,616,625.34/21,521,651.70
  6. Step 6: Final answer
    x = 11,812,157.55

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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.