Home / 12,140,319.02-18,223,442.64-5,227,222.94

Finding the Fourth Proportional to 12,140,319.02, 18,223,442.64 and 5,227,222.94

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Solution

The fourth proportional to 12,140,319.02, 18,223,442.64 and 5,227,222.94 is: 7,846,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,319.02 : 18,223,442.64 = 5,227,222.94 : x
  2. Step 2: Convert to fraction form
    12,140,319.02/18,223,442.64 = 5,227,222.94/x
  3. Step 3: Cross multiply
    12,140,319.02x = 18,223,442.64 × 5,227,222.94
  4. Step 4: Simplify right side
    12,140,319.02x = 95,257,997,413,582.17
  5. Step 5: Solve for x
    x = 95,257,997,413,582.17/12,140,319.02
  6. Step 6: Final answer
    x = 7,846,416.33

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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.