Home / 20,868,024.80-31,275,096.10-9,345,055.32

Finding the Fourth Proportional to 20,868,024.80, 31,275,096.10 and 9,345,055.32

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Solution

The fourth proportional to 20,868,024.80, 31,275,096.10 and 9,345,055.32 is: 14,005,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,024.80 : 31,275,096.10 = 9,345,055.32 : x
  2. Step 2: Convert to fraction form
    20,868,024.80/31,275,096.10 = 9,345,055.32/x
  3. Step 3: Cross multiply
    20,868,024.80x = 31,275,096.10 × 9,345,055.32
  4. Step 4: Simplify right side
    20,868,024.80x = 292,267,503,169,453.62
  5. Step 5: Solve for x
    x = 292,267,503,169,453.62/20,868,024.80
  6. Step 6: Final answer
    x = 14,005,518.30

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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.