Home / 9,709,965.54-13,399,686.55-5,359,051.80

Finding the Fourth Proportional to 9,709,965.54, 13,399,686.55 and 5,359,051.80

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Solution

The fourth proportional to 9,709,965.54, 13,399,686.55 and 5,359,051.80 is: 7,395,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,965.54 : 13,399,686.55 = 5,359,051.80 : x
  2. Step 2: Convert to fraction form
    9,709,965.54/13,399,686.55 = 5,359,051.80/x
  3. Step 3: Cross multiply
    9,709,965.54x = 13,399,686.55 × 5,359,051.80
  4. Step 4: Simplify right side
    9,709,965.54x = 71,809,614,325,213.30
  5. Step 5: Solve for x
    x = 71,809,614,325,213.30/9,709,965.54
  6. Step 6: Final answer
    x = 7,395,455.12

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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.