Home / 7,878,545.32-10,873,228.49-4,618,099.42

Finding the Fourth Proportional to 7,878,545.32, 10,873,228.49 and 4,618,099.42

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Solution

The fourth proportional to 7,878,545.32, 10,873,228.49 and 4,618,099.42 is: 6,373,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,545.32 : 10,873,228.49 = 4,618,099.42 : x
  2. Step 2: Convert to fraction form
    7,878,545.32/10,873,228.49 = 4,618,099.42/x
  3. Step 3: Cross multiply
    7,878,545.32x = 10,873,228.49 × 4,618,099.42
  4. Step 4: Simplify right side
    7,878,545.32x = 50,213,650,211,402.69
  5. Step 5: Solve for x
    x = 50,213,650,211,402.69/7,878,545.32
  6. Step 6: Final answer
    x = 6,373,467.21

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Why These Related Problems?

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