Home / 28,472,000.80-42,608,468.40-26,083,213.60

Finding the Fourth Proportional to 28,472,000.80, 42,608,468.40 and 26,083,213.60

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Solution

The fourth proportional to 28,472,000.80, 42,608,468.40 and 26,083,213.60 is: 39,033,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,000.80 : 42,608,468.40 = 26,083,213.60 : x
  2. Step 2: Convert to fraction form
    28,472,000.80/42,608,468.40 = 26,083,213.60/x
  3. Step 3: Cross multiply
    28,472,000.80x = 42,608,468.40 × 26,083,213.60
  4. Step 4: Simplify right side
    28,472,000.80x = 1,111,365,782,446,050.25
  5. Step 5: Solve for x
    x = 1,111,365,782,446,050.25/28,472,000.80
  6. Step 6: Final answer
    x = 39,033,638.35

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1.5x scale

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.