Home / 28,384,407.40-42,577,964.32-13,793,943.84

Finding the Fourth Proportional to 28,384,407.40, 42,577,964.32 and 13,793,943.84

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Solution

The fourth proportional to 28,384,407.40, 42,577,964.32 and 13,793,943.84 is: 20,691,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,407.40 : 42,577,964.32 = 13,793,943.84 : x
  2. Step 2: Convert to fraction form
    28,384,407.40/42,577,964.32 = 13,793,943.84/x
  3. Step 3: Cross multiply
    28,384,407.40x = 42,577,964.32 × 13,793,943.84
  4. Step 4: Simplify right side
    28,384,407.40x = 587,318,048,651,603.75
  5. Step 5: Solve for x
    x = 587,318,048,651,603.75/28,384,407.40
  6. Step 6: Final answer
    x = 20,691,573.38

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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.