Home / 10,377,778.32-15,553,165.08-4,222,586.76

Finding the Fourth Proportional to 10,377,778.32, 15,553,165.08 and 4,222,586.76

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Solution

The fourth proportional to 10,377,778.32, 15,553,165.08 and 4,222,586.76 is: 6,328,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,778.32 : 15,553,165.08 = 4,222,586.76 : x
  2. Step 2: Convert to fraction form
    10,377,778.32/15,553,165.08 = 4,222,586.76/x
  3. Step 3: Cross multiply
    10,377,778.32x = 15,553,165.08 × 4,222,586.76
  4. Step 4: Simplify right side
    10,377,778.32x = 65,674,588,942,902.34
  5. Step 5: Solve for x
    x = 65,674,588,942,902.34/10,377,778.32
  6. Step 6: Final answer
    x = 6,328,386.18

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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.