Home / 12,585,574.92-18,878,363.24-5,017,855.08

Finding the Fourth Proportional to 12,585,574.92, 18,878,363.24 and 5,017,855.08

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Solution

The fourth proportional to 12,585,574.92, 18,878,363.24 and 5,017,855.08 is: 7,526,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,574.92 : 18,878,363.24 = 5,017,855.08 : x
  2. Step 2: Convert to fraction form
    12,585,574.92/18,878,363.24 = 5,017,855.08/x
  3. Step 3: Cross multiply
    12,585,574.92x = 18,878,363.24 × 5,017,855.08
  4. Step 4: Simplify right side
    12,585,574.92x = 94,728,890,885,919.25
  5. Step 5: Solve for x
    x = 94,728,890,885,919.25/12,585,574.92
  6. Step 6: Final answer
    x = 7,526,782.96

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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.