Home / 20,160,562.70-30,240,844.05-7,381,484.30

Finding the Fourth Proportional to 20,160,562.70, 30,240,844.05 and 7,381,484.30

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Solution

The fourth proportional to 20,160,562.70, 30,240,844.05 and 7,381,484.30 is: 11,072,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,562.70 : 30,240,844.05 = 7,381,484.30 : x
  2. Step 2: Convert to fraction form
    20,160,562.70/30,240,844.05 = 7,381,484.30/x
  3. Step 3: Cross multiply
    20,160,562.70x = 30,240,844.05 × 7,381,484.30
  4. Step 4: Simplify right side
    20,160,562.70x = 223,222,315,573,823.41
  5. Step 5: Solve for x
    x = 223,222,315,573,823.41/20,160,562.70
  6. Step 6: Final answer
    x = 11,072,226.45

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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.