Home / 10,303,722.35-15,456,130.27-3,115,072.79

Finding the Fourth Proportional to 10,303,722.35, 15,456,130.27 and 3,115,072.79

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Solution

The fourth proportional to 10,303,722.35, 15,456,130.27 and 3,115,072.79 is: 4,672,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,722.35 : 15,456,130.27 = 3,115,072.79 : x
  2. Step 2: Convert to fraction form
    10,303,722.35/15,456,130.27 = 3,115,072.79/x
  3. Step 3: Cross multiply
    10,303,722.35x = 15,456,130.27 × 3,115,072.79
  4. Step 4: Simplify right side
    10,303,722.35x = 48,146,970,749,916.34
  5. Step 5: Solve for x
    x = 48,146,970,749,916.34/10,303,722.35
  6. Step 6: Final answer
    x = 4,672,774.47

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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.