Home / 13,103,876.34-18,083,409.93-7,600,509.54

Finding the Fourth Proportional to 13,103,876.34, 18,083,409.93 and 7,600,509.54

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Solution

The fourth proportional to 13,103,876.34, 18,083,409.93 and 7,600,509.54 is: 10,488,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,876.34 : 18,083,409.93 = 7,600,509.54 : x
  2. Step 2: Convert to fraction form
    13,103,876.34/18,083,409.93 = 7,600,509.54/x
  3. Step 3: Cross multiply
    13,103,876.34x = 18,083,409.93 × 7,600,509.54
  4. Step 4: Simplify right side
    13,103,876.34x = 137,443,129,688,695.73
  5. Step 5: Solve for x
    x = 137,443,129,688,695.73/13,103,876.34
  6. Step 6: Final answer
    x = 10,488,738.30

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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.