Home / 12,807,640.68-19,210,041.14-3,223,021.80

Finding the Fourth Proportional to 12,807,640.68, 19,210,041.14 and 3,223,021.80

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Solution

The fourth proportional to 12,807,640.68, 19,210,041.14 and 3,223,021.80 is: 4,834,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,640.68 : 19,210,041.14 = 3,223,021.80 : x
  2. Step 2: Convert to fraction form
    12,807,640.68/19,210,041.14 = 3,223,021.80/x
  3. Step 3: Cross multiply
    12,807,640.68x = 19,210,041.14 × 3,223,021.80
  4. Step 4: Simplify right side
    12,807,640.68x = 61,914,381,373,116.85
  5. Step 5: Solve for x
    x = 61,914,381,373,116.85/12,807,640.68
  6. Step 6: Final answer
    x = 4,834,175.39

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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.