Home / 13,483,219.50-18,606,842.91-7,371,648

Finding the Fourth Proportional to 13,483,219.50, 18,606,842.91 and 7,371,648

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Solution

The fourth proportional to 13,483,219.50, 18,606,842.91 and 7,371,648 is: 10,172,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,219.50 : 18,606,842.91 = 7,371,648 : x
  2. Step 2: Convert to fraction form
    13,483,219.50/18,606,842.91 = 7,371,648/x
  3. Step 3: Cross multiply
    13,483,219.50x = 18,606,842.91 × 7,371,648
  4. Step 4: Simplify right side
    13,483,219.50x = 137,163,096,323,815.69
  5. Step 5: Solve for x
    x = 137,163,096,323,815.69/13,483,219.50
  6. Step 6: Final answer
    x = 10,172,874.24

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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.