Home / 12,136,174.47-18,204,137.02-7,015,346.00

Finding the Fourth Proportional to 12,136,174.47, 18,204,137.02 and 7,015,346.00

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Solution

The fourth proportional to 12,136,174.47, 18,204,137.02 and 7,015,346.00 is: 10,522,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,174.47 : 18,204,137.02 = 7,015,346.00 : x
  2. Step 2: Convert to fraction form
    12,136,174.47/18,204,137.02 = 7,015,346.00/x
  3. Step 3: Cross multiply
    12,136,174.47x = 18,204,137.02 × 7,015,346.00
  4. Step 4: Simplify right side
    12,136,174.47x = 127,708,319,870,256.55
  5. Step 5: Solve for x
    x = 127,708,319,870,256.55/12,136,174.47
  6. Step 6: Final answer
    x = 10,522,946.93

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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.