Home / 12,917,790.96-19,363,378.56-5,732,708.64

Finding the Fourth Proportional to 12,917,790.96, 19,363,378.56 and 5,732,708.64

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Solution

The fourth proportional to 12,917,790.96, 19,363,378.56 and 5,732,708.64 is: 8,593,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,790.96 : 19,363,378.56 = 5,732,708.64 : x
  2. Step 2: Convert to fraction form
    12,917,790.96/19,363,378.56 = 5,732,708.64/x
  3. Step 3: Cross multiply
    12,917,790.96x = 19,363,378.56 × 5,732,708.64
  4. Step 4: Simplify right side
    12,917,790.96x = 111,004,607,570,502.75
  5. Step 5: Solve for x
    x = 111,004,607,570,502.75/12,917,790.96
  6. Step 6: Final answer
    x = 8,593,157.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.