Home / 42,347,481.72-63,527,521.14-19,630,675.32

Finding the Fourth Proportional to 42,347,481.72, 63,527,521.14 and 19,630,675.32

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Solution

The fourth proportional to 42,347,481.72, 63,527,521.14 and 19,630,675.32 is: 29,448,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347,481.72 : 63,527,521.14 = 19,630,675.32 : x
  2. Step 2: Convert to fraction form
    42,347,481.72/63,527,521.14 = 19,630,675.32/x
  3. Step 3: Cross multiply
    42,347,481.72x = 63,527,521.14 × 19,630,675.32
  4. Step 4: Simplify right side
    42,347,481.72x = 1,247,088,141,383,776.25
  5. Step 5: Solve for x
    x = 1,247,088,141,383,776.25/42,347,481.72
  6. Step 6: Final answer
    x = 29,448,932.75

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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.