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Finding the Fourth Proportional to 30,719,652.84, 46,079,163.84 and 17,757,555.80

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Solution

The fourth proportional to 30,719,652.84, 46,079,163.84 and 17,757,555.80 is: 26,636,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719,652.84 : 46,079,163.84 = 17,757,555.80 : x
  2. Step 2: Convert to fraction form
    30,719,652.84/46,079,163.84 = 17,757,555.80/x
  3. Step 3: Cross multiply
    30,719,652.84x = 46,079,163.84 × 17,757,555.80
  4. Step 4: Simplify right side
    30,719,652.84x = 818,253,322,875,746.62
  5. Step 5: Solve for x
    x = 818,253,322,875,746.62/30,719,652.84
  6. Step 6: Final answer
    x = 26,636,151.36

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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.