Home / 15,962,829.48-22,028,703.84-8,620,661.91

Finding the Fourth Proportional to 15,962,829.48, 22,028,703.84 and 8,620,661.91

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Solution

The fourth proportional to 15,962,829.48, 22,028,703.84 and 8,620,661.91 is: 11,896,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962,829.48 : 22,028,703.84 = 8,620,661.91 : x
  2. Step 2: Convert to fraction form
    15,962,829.48/22,028,703.84 = 8,620,661.91/x
  3. Step 3: Cross multiply
    15,962,829.48x = 22,028,703.84 × 8,620,661.91
  4. Step 4: Simplify right side
    15,962,829.48x = 189,902,008,120,158.75
  5. Step 5: Solve for x
    x = 189,902,008,120,158.75/15,962,829.48
  6. Step 6: Final answer
    x = 11,896,512.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.