Home / 19,152,684.80-28,729,027.20-16,761,200.30

Finding the Fourth Proportional to 19,152,684.80, 28,729,027.20 and 16,761,200.30

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Solution

The fourth proportional to 19,152,684.80, 28,729,027.20 and 16,761,200.30 is: 25,141,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,684.80 : 28,729,027.20 = 16,761,200.30 : x
  2. Step 2: Convert to fraction form
    19,152,684.80/28,729,027.20 = 16,761,200.30/x
  3. Step 3: Cross multiply
    19,152,684.80x = 28,729,027.20 × 16,761,200.30
  4. Step 4: Simplify right side
    19,152,684.80x = 481,532,979,323,348.19
  5. Step 5: Solve for x
    x = 481,532,979,323,348.19/19,152,684.80
  6. Step 6: Final answer
    x = 25,141,800.45

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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.