Home / 13,352,722.73-18,427,747.05-7,472,946.20

Finding the Fourth Proportional to 13,352,722.73, 18,427,747.05 and 7,472,946.20

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Solution

The fourth proportional to 13,352,722.73, 18,427,747.05 and 7,472,946.20 is: 10,313,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352,722.73 : 18,427,747.05 = 7,472,946.20 : x
  2. Step 2: Convert to fraction form
    13,352,722.73/18,427,747.05 = 7,472,946.20/x
  3. Step 3: Cross multiply
    13,352,722.73x = 18,427,747.05 × 7,472,946.20
  4. Step 4: Simplify right side
    13,352,722.73x = 137,709,562,199,719.98
  5. Step 5: Solve for x
    x = 137,709,562,199,719.98/13,352,722.73
  6. Step 6: Final answer
    x = 10,313,219.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.