Home / 9,709,993.19-13,399,724.63-5,359,079.40

Finding the Fourth Proportional to 9,709,993.19, 13,399,724.63 and 5,359,079.40

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Solution

The fourth proportional to 9,709,993.19, 13,399,724.63 and 5,359,079.40 is: 7,395,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,993.19 : 13,399,724.63 = 5,359,079.40 : x
  2. Step 2: Convert to fraction form
    9,709,993.19/13,399,724.63 = 5,359,079.40/x
  3. Step 3: Cross multiply
    9,709,993.19x = 13,399,724.63 × 5,359,079.40
  4. Step 4: Simplify right side
    9,709,993.19x = 71,810,188,203,510.23
  5. Step 5: Solve for x
    x = 71,810,188,203,510.23/9,709,993.19
  6. Step 6: Final answer
    x = 7,395,493.16

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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.