Home / 19,538,976.80-29,271,471.40-13,042,463.24

Finding the Fourth Proportional to 19,538,976.80, 29,271,471.40 and 13,042,463.24

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Solution

The fourth proportional to 19,538,976.80, 29,271,471.40 and 13,042,463.24 is: 19,539,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,976.80 : 29,271,471.40 = 13,042,463.24 : x
  2. Step 2: Convert to fraction form
    19,538,976.80/29,271,471.40 = 13,042,463.24/x
  3. Step 3: Cross multiply
    19,538,976.80x = 29,271,471.40 × 13,042,463.24
  4. Step 4: Simplify right side
    19,538,976.80x = 381,772,089,715,211.31
  5. Step 5: Solve for x
    x = 381,772,089,715,211.31/19,538,976.80
  6. Step 6: Final answer
    x = 19,539,001.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.