Home / 28,267,035.84-42,404,519.88-13,890,669.84

Finding the Fourth Proportional to 28,267,035.84, 42,404,519.88 and 13,890,669.84

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Solution

The fourth proportional to 28,267,035.84, 42,404,519.88 and 13,890,669.84 is: 20,837,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,035.84 : 42,404,519.88 = 13,890,669.84 : x
  2. Step 2: Convert to fraction form
    28,267,035.84/42,404,519.88 = 13,890,669.84/x
  3. Step 3: Cross multiply
    28,267,035.84x = 42,404,519.88 × 13,890,669.84
  4. Step 4: Simplify right side
    28,267,035.84x = 589,027,185,376,796.50
  5. Step 5: Solve for x
    x = 589,027,185,376,796.50/28,267,035.84
  6. Step 6: Final answer
    x = 20,837,953.75

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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.