Home / 31,909,565.30-47,828,039.87-19,418,220.34

Finding the Fourth Proportional to 31,909,565.30, 47,828,039.87 and 19,418,220.34

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Solution

The fourth proportional to 31,909,565.30, 47,828,039.87 and 19,418,220.34 is: 29,105,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,565.30 : 47,828,039.87 = 19,418,220.34 : x
  2. Step 2: Convert to fraction form
    31,909,565.30/47,828,039.87 = 19,418,220.34/x
  3. Step 3: Cross multiply
    31,909,565.30x = 47,828,039.87 × 19,418,220.34
  4. Step 4: Simplify right side
    31,909,565.30x = 928,735,416,554,940.38
  5. Step 5: Solve for x
    x = 928,735,416,554,940.38/31,909,565.30
  6. Step 6: Final answer
    x = 29,105,235.62

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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.