Home / 10,361,113.70-15,555,667.35-6,581,977.70

Finding the Fourth Proportional to 10,361,113.70, 15,555,667.35 and 6,581,977.70

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Solution

The fourth proportional to 10,361,113.70, 15,555,667.35 and 6,581,977.70 is: 9,881,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,113.70 : 15,555,667.35 = 6,581,977.70 : x
  2. Step 2: Convert to fraction form
    10,361,113.70/15,555,667.35 = 6,581,977.70/x
  3. Step 3: Cross multiply
    10,361,113.70x = 15,555,667.35 × 6,581,977.70
  4. Step 4: Simplify right side
    10,361,113.70x = 102,387,055,606,318.09
  5. Step 5: Solve for x
    x = 102,387,055,606,318.09/10,361,113.70
  6. Step 6: Final answer
    x = 9,881,858.13

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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.