Home / 21,391,798.52-29,521,350.22-12,099,186.75

Finding the Fourth Proportional to 21,391,798.52, 29,521,350.22 and 12,099,186.75

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Solution

The fourth proportional to 21,391,798.52, 29,521,350.22 and 12,099,186.75 is: 16,697,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391,798.52 : 29,521,350.22 = 12,099,186.75 : x
  2. Step 2: Convert to fraction form
    21,391,798.52/29,521,350.22 = 12,099,186.75/x
  3. Step 3: Cross multiply
    21,391,798.52x = 29,521,350.22 × 12,099,186.75
  4. Step 4: Simplify right side
    21,391,798.52x = 357,184,329,393,685.62
  5. Step 5: Solve for x
    x = 357,184,329,393,685.62/21,391,798.52
  6. Step 6: Final answer
    x = 16,697,255.68

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1.5x scale

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.