Home / 21,854,485.80-32,781,728.70-10,517,077.80

Finding the Fourth Proportional to 21,854,485.80, 32,781,728.70 and 10,517,077.80

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Solution

The fourth proportional to 21,854,485.80, 32,781,728.70 and 10,517,077.80 is: 15,775,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,485.80 : 32,781,728.70 = 10,517,077.80 : x
  2. Step 2: Convert to fraction form
    21,854,485.80/32,781,728.70 = 10,517,077.80/x
  3. Step 3: Cross multiply
    21,854,485.80x = 32,781,728.70 × 10,517,077.80
  4. Step 4: Simplify right side
    21,854,485.80x = 344,767,991,156,392.88
  5. Step 5: Solve for x
    x = 344,767,991,156,392.88/21,854,485.80
  6. Step 6: Final answer
    x = 15,775,616.70

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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.