Home / 9,709,991.69-13,399,722.56-5,359,077.90

Finding the Fourth Proportional to 9,709,991.69, 13,399,722.56 and 5,359,077.90

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Solution

The fourth proportional to 9,709,991.69, 13,399,722.56 and 5,359,077.90 is: 7,395,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,991.69 : 13,399,722.56 = 5,359,077.90 : x
  2. Step 2: Convert to fraction form
    9,709,991.69/13,399,722.56 = 5,359,077.90/x
  3. Step 3: Cross multiply
    9,709,991.69x = 13,399,722.56 × 5,359,077.90
  4. Step 4: Simplify right side
    9,709,991.69x = 71,810,157,010,632.03
  5. Step 5: Solve for x
    x = 71,810,157,010,632.03/9,709,991.69
  6. Step 6: Final answer
    x = 7,395,491.09

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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.