Home / 30,683,917.72-42,344,823.18-16,746,035.44

Finding the Fourth Proportional to 30,683,917.72, 42,344,823.18 and 16,746,035.44

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Solution

The fourth proportional to 30,683,917.72, 42,344,823.18 and 16,746,035.44 is: 23,110,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683,917.72 : 42,344,823.18 = 16,746,035.44 : x
  2. Step 2: Convert to fraction form
    30,683,917.72/42,344,823.18 = 16,746,035.44/x
  3. Step 3: Cross multiply
    30,683,917.72x = 42,344,823.18 × 16,746,035.44
  4. Step 4: Simplify right side
    30,683,917.72x = 709,107,909,672,813.50
  5. Step 5: Solve for x
    x = 709,107,909,672,813.50/30,683,917.72
  6. Step 6: Final answer
    x = 23,110,083.80

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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.