Home / 13,856,770.54-19,121,947.71-7,661,710.31

Finding the Fourth Proportional to 13,856,770.54, 19,121,947.71 and 7,661,710.31

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Solution

The fourth proportional to 13,856,770.54, 19,121,947.71 and 7,661,710.31 is: 10,572,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,770.54 : 19,121,947.71 = 7,661,710.31 : x
  2. Step 2: Convert to fraction form
    13,856,770.54/19,121,947.71 = 7,661,710.31/x
  3. Step 3: Cross multiply
    13,856,770.54x = 19,121,947.71 × 7,661,710.31
  4. Step 4: Simplify right side
    13,856,770.54x = 146,506,823,916,987.88
  5. Step 5: Solve for x
    x = 146,506,823,916,987.88/13,856,770.54
  6. Step 6: Final answer
    x = 10,572,941.48

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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.