Home / 22,143,899.70-33,215,849.55-6,997,831.20

Finding the Fourth Proportional to 22,143,899.70, 33,215,849.55 and 6,997,831.20

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Solution

The fourth proportional to 22,143,899.70, 33,215,849.55 and 6,997,831.20 is: 10,496,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,899.70 : 33,215,849.55 = 6,997,831.20 : x
  2. Step 2: Convert to fraction form
    22,143,899.70/33,215,849.55 = 6,997,831.20/x
  3. Step 3: Cross multiply
    22,143,899.70x = 33,215,849.55 × 6,997,831.20
  4. Step 4: Simplify right side
    22,143,899.70x = 232,438,908,315,495.97
  5. Step 5: Solve for x
    x = 232,438,908,315,495.97/22,143,899.70
  6. Step 6: Final answer
    x = 10,496,746.80

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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.