Home / 13,699,449.63-18,900,634.23-7,898,104.08

Finding the Fourth Proportional to 13,699,449.63, 18,900,634.23 and 7,898,104.08

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Solution

The fourth proportional to 13,699,449.63, 18,900,634.23 and 7,898,104.08 is: 10,896,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,449.63 : 18,900,634.23 = 7,898,104.08 : x
  2. Step 2: Convert to fraction form
    13,699,449.63/18,900,634.23 = 7,898,104.08/x
  3. Step 3: Cross multiply
    13,699,449.63x = 18,900,634.23 × 7,898,104.08
  4. Step 4: Simplify right side
    13,699,449.63x = 149,279,176,326,550.66
  5. Step 5: Solve for x
    x = 149,279,176,326,550.66/13,699,449.63
  6. Step 6: Final answer
    x = 10,896,728.00

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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.