Home / 38,210,691.33-52,731,611.42-21,689,259.57

Finding the Fourth Proportional to 38,210,691.33, 52,731,611.42 and 21,689,259.57

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Solution

The fourth proportional to 38,210,691.33, 52,731,611.42 and 21,689,259.57 is: 29,931,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210,691.33 : 52,731,611.42 = 21,689,259.57 : x
  2. Step 2: Convert to fraction form
    38,210,691.33/52,731,611.42 = 21,689,259.57/x
  3. Step 3: Cross multiply
    38,210,691.33x = 52,731,611.42 × 21,689,259.57
  4. Step 4: Simplify right side
    38,210,691.33x = 1,143,709,607,524,310
  5. Step 5: Solve for x
    x = 1,143,709,607,524,310/38,210,691.33
  6. Step 6: Final answer
    x = 29,931,664.87

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1.5x scale

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.