Home / 13,291,944.16-18,342,429.44-7,331,587.16

Finding the Fourth Proportional to 13,291,944.16, 18,342,429.44 and 7,331,587.16

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Solution

The fourth proportional to 13,291,944.16, 18,342,429.44 and 7,331,587.16 is: 10,117,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,944.16 : 18,342,429.44 = 7,331,587.16 : x
  2. Step 2: Convert to fraction form
    13,291,944.16/18,342,429.44 = 7,331,587.16/x
  3. Step 3: Cross multiply
    13,291,944.16x = 18,342,429.44 × 7,331,587.16
  4. Step 4: Simplify right side
    13,291,944.16x = 134,479,120,165,510
  5. Step 5: Solve for x
    x = 134,479,120,165,510/13,291,944.16
  6. Step 6: Final answer
    x = 10,117,340.14

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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.