Home / 14,580,428.69-20,121,602.48-8,385,479.61

Finding the Fourth Proportional to 14,580,428.69, 20,121,602.48 and 8,385,479.61

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Solution

The fourth proportional to 14,580,428.69, 20,121,602.48 and 8,385,479.61 is: 11,572,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,428.69 : 20,121,602.48 = 8,385,479.61 : x
  2. Step 2: Convert to fraction form
    14,580,428.69/20,121,602.48 = 8,385,479.61/x
  3. Step 3: Cross multiply
    14,580,428.69x = 20,121,602.48 × 8,385,479.61
  4. Step 4: Simplify right side
    14,580,428.69x = 168,729,287,230,627.59
  5. Step 5: Solve for x
    x = 168,729,287,230,627.59/14,580,428.69
  6. Step 6: Final answer
    x = 11,572,313.19

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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.