Home / 20,724,169.10-31,088,586.46-6,347,122.70

Finding the Fourth Proportional to 20,724,169.10, 31,088,586.46 and 6,347,122.70

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Solution

The fourth proportional to 20,724,169.10, 31,088,586.46 and 6,347,122.70 is: 9,521,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,169.10 : 31,088,586.46 = 6,347,122.70 : x
  2. Step 2: Convert to fraction form
    20,724,169.10/31,088,586.46 = 6,347,122.70/x
  3. Step 3: Cross multiply
    20,724,169.10x = 31,088,586.46 × 6,347,122.70
  4. Step 4: Simplify right side
    20,724,169.10x = 197,323,072,831,178.66
  5. Step 5: Solve for x
    x = 197,323,072,831,178.66/20,724,169.10
  6. Step 6: Final answer
    x = 9,521,398.51

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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.