Home / 19,998,745.34-29,991,926.72-7,217,632.22

Finding the Fourth Proportional to 19,998,745.34, 29,991,926.72 and 7,217,632.22

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Solution

The fourth proportional to 19,998,745.34, 29,991,926.72 and 7,217,632.22 is: 10,824,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,745.34 : 29,991,926.72 = 7,217,632.22 : x
  2. Step 2: Convert to fraction form
    19,998,745.34/29,991,926.72 = 7,217,632.22/x
  3. Step 3: Cross multiply
    19,998,745.34x = 29,991,926.72 × 7,217,632.22
  4. Step 4: Simplify right side
    19,998,745.34x = 216,470,696,634,150.91
  5. Step 5: Solve for x
    x = 216,470,696,634,150.91/19,998,745.34
  6. Step 6: Final answer
    x = 10,824,213.87

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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.