Home / 19,008,006.10-28,519,007.55-7,656,601.30

Finding the Fourth Proportional to 19,008,006.10, 28,519,007.55 and 7,656,601.30

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Solution

The fourth proportional to 19,008,006.10, 28,519,007.55 and 7,656,601.30 is: 11,487,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,006.10 : 28,519,007.55 = 7,656,601.30 : x
  2. Step 2: Convert to fraction form
    19,008,006.10/28,519,007.55 = 7,656,601.30/x
  3. Step 3: Cross multiply
    19,008,006.10x = 28,519,007.55 × 7,656,601.30
  4. Step 4: Simplify right side
    19,008,006.10x = 218,358,670,282,039.81
  5. Step 5: Solve for x
    x = 218,358,670,282,039.81/19,008,006.10
  6. Step 6: Final answer
    x = 11,487,720.97

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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.