Home / 7,883,445.69-11,825,149.10-1,899,813.69

Finding the Fourth Proportional to 7,883,445.69, 11,825,149.10 and 1,899,813.69

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Solution

The fourth proportional to 7,883,445.69, 11,825,149.10 and 1,899,813.69 is: 2,849,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,445.69 : 11,825,149.10 = 1,899,813.69 : x
  2. Step 2: Convert to fraction form
    7,883,445.69/11,825,149.10 = 1,899,813.69/x
  3. Step 3: Cross multiply
    7,883,445.69x = 11,825,149.10 × 1,899,813.69
  4. Step 4: Simplify right side
    7,883,445.69x = 22,465,580,136,972.11
  5. Step 5: Solve for x
    x = 22,465,580,136,972.11/7,883,445.69
  6. Step 6: Final answer
    x = 2,849,715.85

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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.