Home / 28,065,447-42,098,172.12-6,790,311

Finding the Fourth Proportional to 28,065,447, 42,098,172.12 and 6,790,311

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Solution

The fourth proportional to 28,065,447, 42,098,172.12 and 6,790,311 is: 10,185,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,447 : 42,098,172.12 = 6,790,311 : x
  2. Step 2: Convert to fraction form
    28,065,447/42,098,172.12 = 6,790,311/x
  3. Step 3: Cross multiply
    28,065,447x = 42,098,172.12 × 6,790,311
  4. Step 4: Simplify right side
    28,065,447x = 285,859,681,226,329.31
  5. Step 5: Solve for x
    x = 285,859,681,226,329.31/28,065,447
  6. Step 6: Final answer
    x = 10,185,466.89

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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.