Home / 10,203,909.71-14,081,394.89-5,620,231.31

Finding the Fourth Proportional to 10,203,909.71, 14,081,394.89 and 5,620,231.31

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Solution

The fourth proportional to 10,203,909.71, 14,081,394.89 and 5,620,231.31 is: 7,755,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,909.71 : 14,081,394.89 = 5,620,231.31 : x
  2. Step 2: Convert to fraction form
    10,203,909.71/14,081,394.89 = 5,620,231.31/x
  3. Step 3: Cross multiply
    10,203,909.71x = 14,081,394.89 × 5,620,231.31
  4. Step 4: Simplify right side
    10,203,909.71x = 79,140,696,392,895.61
  5. Step 5: Solve for x
    x = 79,140,696,392,895.61/10,203,909.71
  6. Step 6: Final answer
    x = 7,755,918.93

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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.