Home / 13,791,086.51-19,031,698.47-7,993,231.27

Finding the Fourth Proportional to 13,791,086.51, 19,031,698.47 and 7,993,231.27

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Solution

The fourth proportional to 13,791,086.51, 19,031,698.47 and 7,993,231.27 is: 11,030,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,086.51 : 19,031,698.47 = 7,993,231.27 : x
  2. Step 2: Convert to fraction form
    13,791,086.51/19,031,698.47 = 7,993,231.27/x
  3. Step 3: Cross multiply
    13,791,086.51x = 19,031,698.47 × 7,993,231.27
  4. Step 4: Simplify right side
    13,791,086.51x = 152,124,767,331,615.12
  5. Step 5: Solve for x
    x = 152,124,767,331,615.12/13,791,086.51
  6. Step 6: Final answer
    x = 11,030,658.62

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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.