Home / 30,683,896.86-42,344,675.37-16,746,145.91

Finding the Fourth Proportional to 30,683,896.86, 42,344,675.37 and 16,746,145.91

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Solution

The fourth proportional to 30,683,896.86, 42,344,675.37 and 16,746,145.91 is: 23,110,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683,896.86 : 42,344,675.37 = 16,746,145.91 : x
  2. Step 2: Convert to fraction form
    30,683,896.86/42,344,675.37 = 16,746,145.91/x
  3. Step 3: Cross multiply
    30,683,896.86x = 42,344,675.37 × 16,746,145.91
  4. Step 4: Simplify right side
    30,683,896.86x = 709,110,112,204,672.38
  5. Step 5: Solve for x
    x = 709,110,112,204,672.38/30,683,896.86
  6. Step 6: Final answer
    x = 23,110,171.29

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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.