Home / 13,973,142.71-19,282,739.40-7,861,556.63

Finding the Fourth Proportional to 13,973,142.71, 19,282,739.40 and 7,861,556.63

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Solution

The fourth proportional to 13,973,142.71, 19,282,739.40 and 7,861,556.63 is: 10,848,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,142.71 : 19,282,739.40 = 7,861,556.63 : x
  2. Step 2: Convert to fraction form
    13,973,142.71/19,282,739.40 = 7,861,556.63/x
  3. Step 3: Cross multiply
    13,973,142.71x = 19,282,739.40 × 7,861,556.63
  4. Step 4: Simplify right side
    13,973,142.71x = 151,592,347,678,218.50
  5. Step 5: Solve for x
    x = 151,592,347,678,218.50/13,973,142.71
  6. Step 6: Final answer
    x = 10,848,837.01

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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.