Home / 13,771,999.80-20,657,999.70-4,187,362.95

Finding the Fourth Proportional to 13,771,999.80, 20,657,999.70 and 4,187,362.95

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Solution

The fourth proportional to 13,771,999.80, 20,657,999.70 and 4,187,362.95 is: 6,281,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,999.80 : 20,657,999.70 = 4,187,362.95 : x
  2. Step 2: Convert to fraction form
    13,771,999.80/20,657,999.70 = 4,187,362.95/x
  3. Step 3: Cross multiply
    13,771,999.80x = 20,657,999.70 × 4,187,362.95
  4. Step 4: Simplify right side
    13,771,999.80x = 86,502,542,564,891.11
  5. Step 5: Solve for x
    x = 86,502,542,564,891.11/13,771,999.80
  6. Step 6: Final answer
    x = 6,281,044.43

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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.