Home / 19,835,478.20-27,371,457.70-11,131,969.88

Finding the Fourth Proportional to 19,835,478.20, 27,371,457.70 and 11,131,969.88

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Solution

The fourth proportional to 19,835,478.20, 27,371,457.70 and 11,131,969.88 is: 15,361,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835,478.20 : 27,371,457.70 = 11,131,969.88 : x
  2. Step 2: Convert to fraction form
    19,835,478.20/27,371,457.70 = 11,131,969.88/x
  3. Step 3: Cross multiply
    19,835,478.20x = 27,371,457.70 × 11,131,969.88
  4. Step 4: Simplify right side
    19,835,478.20x = 304,698,242,728,692.81
  5. Step 5: Solve for x
    x = 304,698,242,728,692.81/19,835,478.20
  6. Step 6: Final answer
    x = 15,361,275.37

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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.