Home / 14,213,865.60-19,615,072.32-7,687,502.82

Finding the Fourth Proportional to 14,213,865.60, 19,615,072.32 and 7,687,502.82

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Solution

The fourth proportional to 14,213,865.60, 19,615,072.32 and 7,687,502.82 is: 10,608,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,865.60 : 19,615,072.32 = 7,687,502.82 : x
  2. Step 2: Convert to fraction form
    14,213,865.60/19,615,072.32 = 7,687,502.82/x
  3. Step 3: Cross multiply
    14,213,865.60x = 19,615,072.32 × 7,687,502.82
  4. Step 4: Simplify right side
    14,213,865.60x = 150,790,923,774,503.94
  5. Step 5: Solve for x
    x = 150,790,923,774,503.94/14,213,865.60
  6. Step 6: Final answer
    x = 10,608,720.25

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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.