Home / 21,319,707.06-31,993,732.35-9,961,041.42

Finding the Fourth Proportional to 21,319,707.06, 31,993,732.35 and 9,961,041.42

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Solution

The fourth proportional to 21,319,707.06, 31,993,732.35 and 9,961,041.42 is: 14,948,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,707.06 : 31,993,732.35 = 9,961,041.42 : x
  2. Step 2: Convert to fraction form
    21,319,707.06/31,993,732.35 = 9,961,041.42/x
  3. Step 3: Cross multiply
    21,319,707.06x = 31,993,732.35 × 9,961,041.42
  4. Step 4: Simplify right side
    21,319,707.06x = 318,690,893,118,743.94
  5. Step 5: Solve for x
    x = 318,690,893,118,743.94/21,319,707.06
  6. Step 6: Final answer
    x = 14,948,183.49

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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.