Home / 9,709,965.12-13,399,686.03-5,359,051.44

Finding the Fourth Proportional to 9,709,965.12, 13,399,686.03 and 5,359,051.44

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Solution

The fourth proportional to 9,709,965.12, 13,399,686.03 and 5,359,051.44 is: 7,395,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,965.12 : 13,399,686.03 = 5,359,051.44 : x
  2. Step 2: Convert to fraction form
    9,709,965.12/13,399,686.03 = 5,359,051.44/x
  3. Step 3: Cross multiply
    9,709,965.12x = 13,399,686.03 × 5,359,051.44
  4. Step 4: Simplify right side
    9,709,965.12x = 71,809,606,714,619.39
  5. Step 5: Solve for x
    x = 71,809,606,714,619.39/9,709,965.12
  6. Step 6: Final answer
    x = 7,395,454.65

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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.