Home / 13,791,092.78-19,031,707.08-7,993,237.52

Finding the Fourth Proportional to 13,791,092.78, 19,031,707.08 and 7,993,237.52

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Solution

The fourth proportional to 13,791,092.78, 19,031,707.08 and 7,993,237.52 is: 11,030,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,092.78 : 19,031,707.08 = 7,993,237.52 : x
  2. Step 2: Convert to fraction form
    13,791,092.78/19,031,707.08 = 7,993,237.52/x
  3. Step 3: Cross multiply
    13,791,092.78x = 19,031,707.08 × 7,993,237.52
  4. Step 4: Simplify right side
    13,791,092.78x = 152,124,955,101,505.62
  5. Step 5: Solve for x
    x = 152,124,955,101,505.62/13,791,092.78
  6. Step 6: Final answer
    x = 11,030,667.22

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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.