Home / 30,472,028.79-45,709,537.86-12,273,766.68

Finding the Fourth Proportional to 30,472,028.79, 45,709,537.86 and 12,273,766.68

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Solution

The fourth proportional to 30,472,028.79, 45,709,537.86 and 12,273,766.68 is: 18,411,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472,028.79 : 45,709,537.86 = 12,273,766.68 : x
  2. Step 2: Convert to fraction form
    30,472,028.79/45,709,537.86 = 12,273,766.68/x
  3. Step 3: Cross multiply
    30,472,028.79x = 45,709,537.86 × 12,273,766.68
  4. Step 4: Simplify right side
    30,472,028.79x = 561,028,202,744,266.50
  5. Step 5: Solve for x
    x = 561,028,202,744,266.50/30,472,028.79
  6. Step 6: Final answer
    x = 18,411,252.06

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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.