Home / 12,685,474.02-19,022,845.59-5,110,405.86

Finding the Fourth Proportional to 12,685,474.02, 19,022,845.59 and 5,110,405.86

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Solution

The fourth proportional to 12,685,474.02, 19,022,845.59 and 5,110,405.86 is: 7,663,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,474.02 : 19,022,845.59 = 5,110,405.86 : x
  2. Step 2: Convert to fraction form
    12,685,474.02/19,022,845.59 = 5,110,405.86/x
  3. Step 3: Cross multiply
    12,685,474.02x = 19,022,845.59 × 5,110,405.86
  4. Step 4: Simplify right side
    12,685,474.02x = 97,214,461,577,011.16
  5. Step 5: Solve for x
    x = 97,214,461,577,011.16/12,685,474.02
  6. Step 6: Final answer
    x = 7,663,447.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.