Home / 9,769,821.08-13,483,967.54-5,420,308.59

Finding the Fourth Proportional to 9,769,821.08, 13,483,967.54 and 5,420,308.59

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Solution

The fourth proportional to 9,769,821.08, 13,483,967.54 and 5,420,308.59 is: 7,480,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769,821.08 : 13,483,967.54 = 5,420,308.59 : x
  2. Step 2: Convert to fraction form
    9,769,821.08/13,483,967.54 = 5,420,308.59/x
  3. Step 3: Cross multiply
    9,769,821.08x = 13,483,967.54 × 5,420,308.59
  4. Step 4: Simplify right side
    9,769,821.08x = 73,087,265,057,241.62
  5. Step 5: Solve for x
    x = 73,087,265,057,241.62/9,769,821.08
  6. Step 6: Final answer
    x = 7,480,921.55

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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.