Home / 15,099,447.60-20,837,486.52-8,224,063.92

Finding the Fourth Proportional to 15,099,447.60, 20,837,486.52 and 8,224,063.92

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Solution

The fourth proportional to 15,099,447.60, 20,837,486.52 and 8,224,063.92 is: 11,349,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099,447.60 : 20,837,486.52 = 8,224,063.92 : x
  2. Step 2: Convert to fraction form
    15,099,447.60/20,837,486.52 = 8,224,063.92/x
  3. Step 3: Cross multiply
    15,099,447.60x = 20,837,486.52 × 8,224,063.92
  4. Step 4: Simplify right side
    15,099,447.60x = 171,368,821,072,618.34
  5. Step 5: Solve for x
    x = 171,368,821,072,618.34/15,099,447.60
  6. Step 6: Final answer
    x = 11,349,343.74

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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.