Home / 12,688,174.01-19,016,656.76-5,004,105.77

Finding the Fourth Proportional to 12,688,174.01, 19,016,656.76 and 5,004,105.77

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Solution

The fourth proportional to 12,688,174.01, 19,016,656.76 and 5,004,105.77 is: 7,500,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,174.01 : 19,016,656.76 = 5,004,105.77 : x
  2. Step 2: Convert to fraction form
    12,688,174.01/19,016,656.76 = 5,004,105.77/x
  3. Step 3: Cross multiply
    12,688,174.01x = 19,016,656.76 × 5,004,105.77
  4. Step 4: Simplify right side
    12,688,174.01x = 95,161,361,818,825.50
  5. Step 5: Solve for x
    x = 95,161,361,818,825.50/12,688,174.01
  6. Step 6: Final answer
    x = 7,500,004.47

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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.