Home / 21,803,534.68-30,090,218.19-12,013,976.31

Finding the Fourth Proportional to 21,803,534.68, 30,090,218.19 and 12,013,976.31

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Solution

The fourth proportional to 21,803,534.68, 30,090,218.19 and 12,013,976.31 is: 16,580,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803,534.68 : 30,090,218.19 = 12,013,976.31 : x
  2. Step 2: Convert to fraction form
    21,803,534.68/30,090,218.19 = 12,013,976.31/x
  3. Step 3: Cross multiply
    21,803,534.68x = 30,090,218.19 × 12,013,976.31
  4. Step 4: Simplify right side
    21,803,534.68x = 361,503,168,437,321.19
  5. Step 5: Solve for x
    x = 361,503,168,437,321.19/21,803,534.68
  6. Step 6: Final answer
    x = 16,580,025.85

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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.