Home / 30,687,742.88-46,037,678.28-11,257,149.33

Finding the Fourth Proportional to 30,687,742.88, 46,037,678.28 and 11,257,149.33

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Solution

The fourth proportional to 30,687,742.88, 46,037,678.28 and 11,257,149.33 is: 16,887,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,742.88 : 46,037,678.28 = 11,257,149.33 : x
  2. Step 2: Convert to fraction form
    30,687,742.88/46,037,678.28 = 11,257,149.33/x
  3. Step 3: Cross multiply
    30,687,742.88x = 46,037,678.28 × 11,257,149.33
  4. Step 4: Simplify right side
    30,687,742.88x = 518,253,019,204,457.56
  5. Step 5: Solve for x
    x = 518,253,019,204,457.56/30,687,742.88
  6. Step 6: Final answer
    x = 16,887,948.43

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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.