Home / 14,477,644.62-21,709,837-8,644,478.40

Finding the Fourth Proportional to 14,477,644.62, 21,709,837 and 8,644,478.40

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Solution

The fourth proportional to 14,477,644.62, 21,709,837 and 8,644,478.40 is: 12,962,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477,644.62 : 21,709,837 = 8,644,478.40 : x
  2. Step 2: Convert to fraction form
    14,477,644.62/21,709,837 = 8,644,478.40/x
  3. Step 3: Cross multiply
    14,477,644.62x = 21,709,837 × 8,644,478.40
  4. Step 4: Simplify right side
    14,477,644.62x = 187,670,217,014,020.81
  5. Step 5: Solve for x
    x = 187,670,217,014,020.81/14,477,644.62
  6. Step 6: Final answer
    x = 12,962,758.93

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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.