Home / 8,784,143.82-12,121,999.52-4,916,663.96

Finding the Fourth Proportional to 8,784,143.82, 12,121,999.52 and 4,916,663.96

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Solution

The fourth proportional to 8,784,143.82, 12,121,999.52 and 4,916,663.96 is: 6,784,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,143.82 : 12,121,999.52 = 4,916,663.96 : x
  2. Step 2: Convert to fraction form
    8,784,143.82/12,121,999.52 = 4,916,663.96/x
  3. Step 3: Cross multiply
    8,784,143.82x = 12,121,999.52 × 4,916,663.96
  4. Step 4: Simplify right side
    8,784,143.82x = 59,599,798,077,927.98
  5. Step 5: Solve for x
    x = 59,599,798,077,927.98/8,784,143.82
  6. Step 6: Final answer
    x = 6,784,929.68

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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.