Home / 38,851,947.40-58,294,250.70-20,880,056.20

Finding the Fourth Proportional to 38,851,947.40, 58,294,250.70 and 20,880,056.20

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Solution

The fourth proportional to 38,851,947.40, 58,294,250.70 and 20,880,056.20 is: 31,328,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,947.40 : 58,294,250.70 = 20,880,056.20 : x
  2. Step 2: Convert to fraction form
    38,851,947.40/58,294,250.70 = 20,880,056.20/x
  3. Step 3: Cross multiply
    38,851,947.40x = 58,294,250.70 × 20,880,056.20
  4. Step 4: Simplify right side
    38,851,947.40x = 1,217,187,230,752,889.25
  5. Step 5: Solve for x
    x = 1,217,187,230,752,889.25/38,851,947.40
  6. Step 6: Final answer
    x = 31,328,860.26

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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.