Home / 19,136,462.40-28,704,002.40-7,776,590.40

Finding the Fourth Proportional to 19,136,462.40, 28,704,002.40 and 7,776,590.40

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Solution

The fourth proportional to 19,136,462.40, 28,704,002.40 and 7,776,590.40 is: 11,664,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136,462.40 : 28,704,002.40 = 7,776,590.40 : x
  2. Step 2: Convert to fraction form
    19,136,462.40/28,704,002.40 = 7,776,590.40/x
  3. Step 3: Cross multiply
    19,136,462.40x = 28,704,002.40 × 7,776,590.40
  4. Step 4: Simplify right side
    19,136,462.40x = 223,219,269,505,416.97
  5. Step 5: Solve for x
    x = 223,219,269,505,416.97/19,136,462.40
  6. Step 6: Final answer
    x = 11,664,604.71

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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.