Home / 21,056,298.45-31,556,929.14-15,240,067.94

Finding the Fourth Proportional to 21,056,298.45, 31,556,929.14 and 15,240,067.94

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Solution

The fourth proportional to 21,056,298.45, 31,556,929.14 and 15,240,067.94 is: 22,840,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,298.45 : 31,556,929.14 = 15,240,067.94 : x
  2. Step 2: Convert to fraction form
    21,056,298.45/31,556,929.14 = 15,240,067.94/x
  3. Step 3: Cross multiply
    21,056,298.45x = 31,556,929.14 × 15,240,067.94
  4. Step 4: Simplify right side
    21,056,298.45x = 480,929,744,071,365.75
  5. Step 5: Solve for x
    x = 480,929,744,071,365.75/21,056,298.45
  6. Step 6: Final answer
    x = 22,840,184.62

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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.