Home / 22,121,479.23-30,529,459.46-12,200,302.82

Finding the Fourth Proportional to 22,121,479.23, 30,529,459.46 and 12,200,302.82

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Solution

The fourth proportional to 22,121,479.23, 30,529,459.46 and 12,200,302.82 is: 16,837,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121,479.23 : 30,529,459.46 = 12,200,302.82 : x
  2. Step 2: Convert to fraction form
    22,121,479.23/30,529,459.46 = 12,200,302.82/x
  3. Step 3: Cross multiply
    22,121,479.23x = 30,529,459.46 × 12,200,302.82
  4. Step 4: Simplify right side
    22,121,479.23x = 372,468,650,381,111.38
  5. Step 5: Solve for x
    x = 372,468,650,381,111.38/22,121,479.23
  6. Step 6: Final answer
    x = 16,837,420.61

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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.