Home / 39,749,420.40-59,641,845.30-18,172,915.80

Finding the Fourth Proportional to 39,749,420.40, 59,641,845.30 and 18,172,915.80

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Solution

The fourth proportional to 39,749,420.40, 59,641,845.30 and 18,172,915.80 is: 27,267,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749,420.40 : 59,641,845.30 = 18,172,915.80 : x
  2. Step 2: Convert to fraction form
    39,749,420.40/59,641,845.30 = 18,172,915.80/x
  3. Step 3: Cross multiply
    39,749,420.40x = 59,641,845.30 × 18,172,915.80
  4. Step 4: Simplify right side
    39,749,420.40x = 1,083,866,232,793,525.75
  5. Step 5: Solve for x
    x = 1,083,866,232,793,525.75/39,749,420.40
  6. Step 6: Final answer
    x = 27,267,472.63

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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.