Home / 15,471,698.63-21,351,520.31-9,277,753.77

Finding the Fourth Proportional to 15,471,698.63, 21,351,520.31 and 9,277,753.77

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Solution

The fourth proportional to 15,471,698.63, 21,351,520.31 and 9,277,753.77 is: 12,803,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,698.63 : 21,351,520.31 = 9,277,753.77 : x
  2. Step 2: Convert to fraction form
    15,471,698.63/21,351,520.31 = 9,277,753.77/x
  3. Step 3: Cross multiply
    15,471,698.63x = 21,351,520.31 × 9,277,753.77
  4. Step 4: Simplify right side
    15,471,698.63x = 198,094,148,051,334.03
  5. Step 5: Solve for x
    x = 198,094,148,051,334.03/15,471,698.63
  6. Step 6: Final answer
    x = 12,803,645.73

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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.