Home / 31,909,565.92-47,828,040.81-19,418,220.96

Finding the Fourth Proportional to 31,909,565.92, 47,828,040.81 and 19,418,220.96

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Solution

The fourth proportional to 31,909,565.92, 47,828,040.81 and 19,418,220.96 is: 29,105,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909,565.92 : 47,828,040.81 = 19,418,220.96 : x
  2. Step 2: Convert to fraction form
    31,909,565.92/47,828,040.81 = 19,418,220.96/x
  3. Step 3: Cross multiply
    31,909,565.92x = 47,828,040.81 × 19,418,220.96
  4. Step 4: Simplify right side
    31,909,565.92x = 928,735,464,532,477.50
  5. Step 5: Solve for x
    x = 928,735,464,532,477.50/31,909,565.92
  6. Step 6: Final answer
    x = 29,105,236.56

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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.