Home / 12,718,722.08-19,077,633.57-3,620,868.50

Finding the Fourth Proportional to 12,718,722.08, 19,077,633.57 and 3,620,868.50

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Solution

The fourth proportional to 12,718,722.08, 19,077,633.57 and 3,620,868.50 is: 5,431,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,722.08 : 19,077,633.57 = 3,620,868.50 : x
  2. Step 2: Convert to fraction form
    12,718,722.08/19,077,633.57 = 3,620,868.50/x
  3. Step 3: Cross multiply
    12,718,722.08x = 19,077,633.57 × 3,620,868.50
  4. Step 4: Simplify right side
    12,718,722.08x = 69,077,602,448,155.55
  5. Step 5: Solve for x
    x = 69,077,602,448,155.55/12,718,722.08
  6. Step 6: Final answer
    x = 5,431,174.77

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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.