Home / 13,432,557.52-18,537,424.86-7,632,321.67

Finding the Fourth Proportional to 13,432,557.52, 18,537,424.86 and 7,632,321.67

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Solution

The fourth proportional to 13,432,557.52, 18,537,424.86 and 7,632,321.67 is: 10,532,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,557.52 : 18,537,424.86 = 7,632,321.67 : x
  2. Step 2: Convert to fraction form
    13,432,557.52/18,537,424.86 = 7,632,321.67/x
  3. Step 3: Cross multiply
    13,432,557.52x = 18,537,424.86 × 7,632,321.67
  4. Step 4: Simplify right side
    13,432,557.52x = 141,483,589,464,974.72
  5. Step 5: Solve for x
    x = 141,483,589,464,974.72/13,432,557.52
  6. Step 6: Final answer
    x = 10,532,885.44

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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.