Home / 30,696,775.12-42,361,289.85-16,945,444

Finding the Fourth Proportional to 30,696,775.12, 42,361,289.85 and 16,945,444

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Solution

The fourth proportional to 30,696,775.12, 42,361,289.85 and 16,945,444 is: 23,384,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,775.12 : 42,361,289.85 = 16,945,444 : x
  2. Step 2: Convert to fraction form
    30,696,775.12/42,361,289.85 = 16,945,444/x
  3. Step 3: Cross multiply
    30,696,775.12x = 42,361,289.85 × 16,945,444
  4. Step 4: Simplify right side
    30,696,775.12x = 717,830,864,920,943.38
  5. Step 5: Solve for x
    x = 717,830,864,920,943.38/30,696,775.12
  6. Step 6: Final answer
    x = 23,384,569.29

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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.