Home / 28,037,297.48-38,693,411.84-15,649,801.43

Finding the Fourth Proportional to 28,037,297.48, 38,693,411.84 and 15,649,801.43

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Solution

The fourth proportional to 28,037,297.48, 38,693,411.84 and 15,649,801.43 is: 21,597,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037,297.48 : 38,693,411.84 = 15,649,801.43 : x
  2. Step 2: Convert to fraction form
    28,037,297.48/38,693,411.84 = 15,649,801.43/x
  3. Step 3: Cross multiply
    28,037,297.48x = 38,693,411.84 × 15,649,801.43
  4. Step 4: Simplify right side
    28,037,297.48x = 605,544,211,790,868.38
  5. Step 5: Solve for x
    x = 605,544,211,790,868.38/28,037,297.48
  6. Step 6: Final answer
    x = 21,597,809.57

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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.