Home / 28,508,809.20-42,763,213.80-17,759,266.80

Finding the Fourth Proportional to 28,508,809.20, 42,763,213.80 and 17,759,266.80

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Solution

The fourth proportional to 28,508,809.20, 42,763,213.80 and 17,759,266.80 is: 26,638,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,809.20 : 42,763,213.80 = 17,759,266.80 : x
  2. Step 2: Convert to fraction form
    28,508,809.20/42,763,213.80 = 17,759,266.80/x
  3. Step 3: Cross multiply
    28,508,809.20x = 42,763,213.80 × 17,759,266.80
  4. Step 4: Simplify right side
    28,508,809.20x = 759,443,323,099,641.88
  5. Step 5: Solve for x
    x = 759,443,323,099,641.88/28,508,809.20
  6. Step 6: Final answer
    x = 26,638,900.20

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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.