Home / 19,796,667.60-29,695,001.40-18,361,776.90

Finding the Fourth Proportional to 19,796,667.60, 29,695,001.40 and 18,361,776.90

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Solution

The fourth proportional to 19,796,667.60, 29,695,001.40 and 18,361,776.90 is: 27,542,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796,667.60 : 29,695,001.40 = 18,361,776.90 : x
  2. Step 2: Convert to fraction form
    19,796,667.60/29,695,001.40 = 18,361,776.90/x
  3. Step 3: Cross multiply
    19,796,667.60x = 29,695,001.40 × 18,361,776.90
  4. Step 4: Simplify right side
    19,796,667.60x = 545,252,990,751,987.56
  5. Step 5: Solve for x
    x = 545,252,990,751,987.56/19,796,667.60
  6. Step 6: Final answer
    x = 27,542,665.35

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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.