Home / 30,165,674.35-45,262,427.51-13,775,983.17

Finding the Fourth Proportional to 30,165,674.35, 45,262,427.51 and 13,775,983.17

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Solution

The fourth proportional to 30,165,674.35, 45,262,427.51 and 13,775,983.17 is: 20,670,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,674.35 : 45,262,427.51 = 13,775,983.17 : x
  2. Step 2: Convert to fraction form
    30,165,674.35/45,262,427.51 = 13,775,983.17/x
  3. Step 3: Cross multiply
    30,165,674.35x = 45,262,427.51 × 13,775,983.17
  4. Step 4: Simplify right side
    30,165,674.35x = 623,534,439,611,105
  5. Step 5: Solve for x
    x = 623,534,439,611,105/30,165,674.35
  6. Step 6: Final answer
    x = 20,670,329.87

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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.