Home / 21,063,477.60-31,595,216.40-10,275,225.30

Finding the Fourth Proportional to 21,063,477.60, 31,595,216.40 and 10,275,225.30

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Solution

The fourth proportional to 21,063,477.60, 31,595,216.40 and 10,275,225.30 is: 15,412,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,477.60 : 31,595,216.40 = 10,275,225.30 : x
  2. Step 2: Convert to fraction form
    21,063,477.60/31,595,216.40 = 10,275,225.30/x
  3. Step 3: Cross multiply
    21,063,477.60x = 31,595,216.40 × 10,275,225.30
  4. Step 4: Simplify right side
    21,063,477.60x = 324,647,966,912,254.94
  5. Step 5: Solve for x
    x = 324,647,966,912,254.94/21,063,477.60
  6. Step 6: Final answer
    x = 15,412,837.95

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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.