Home / 13,508,364.42-18,641,546.64-7,313,409.90

Finding the Fourth Proportional to 13,508,364.42, 18,641,546.64 and 7,313,409.90

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Solution

The fourth proportional to 13,508,364.42, 18,641,546.64 and 7,313,409.90 is: 10,092,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,364.42 : 18,641,546.64 = 7,313,409.90 : x
  2. Step 2: Convert to fraction form
    13,508,364.42/18,641,546.64 = 7,313,409.90/x
  3. Step 3: Cross multiply
    13,508,364.42x = 18,641,546.64 × 7,313,409.90
  4. Step 4: Simplify right side
    13,508,364.42x = 136,333,271,748,287.75
  5. Step 5: Solve for x
    x = 136,333,271,748,287.75/13,508,364.42
  6. Step 6: Final answer
    x = 10,092,507.69

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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.