Home / 28,912,331.76-43,361,217-11,877,707.76

Finding the Fourth Proportional to 28,912,331.76, 43,361,217 and 11,877,707.76

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Solution

The fourth proportional to 28,912,331.76, 43,361,217 and 11,877,707.76 is: 17,813,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,331.76 : 43,361,217 = 11,877,707.76 : x
  2. Step 2: Convert to fraction form
    28,912,331.76/43,361,217 = 11,877,707.76/x
  3. Step 3: Cross multiply
    28,912,331.76x = 43,361,217 × 11,877,707.76
  4. Step 4: Simplify right side
    28,912,331.76x = 515,031,863,643,943.94
  5. Step 5: Solve for x
    x = 515,031,863,643,943.94/28,912,331.76
  6. Step 6: Final answer
    x = 17,813,570.62

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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.