Home / 7,879,073.69-10,878,182.07-4,942,916.30

Finding the Fourth Proportional to 7,879,073.69, 10,878,182.07 and 4,942,916.30

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Solution

The fourth proportional to 7,879,073.69, 10,878,182.07 and 4,942,916.30 is: 6,824,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,073.69 : 10,878,182.07 = 4,942,916.30 : x
  2. Step 2: Convert to fraction form
    7,879,073.69/10,878,182.07 = 4,942,916.30/x
  3. Step 3: Cross multiply
    7,879,073.69x = 10,878,182.07 × 4,942,916.30
  4. Step 4: Simplify right side
    7,879,073.69x = 53,769,943,468,170.74
  5. Step 5: Solve for x
    x = 53,769,943,468,170.74/7,879,073.69
  6. Step 6: Final answer
    x = 6,824,399.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.