Home / 12,905,560.53-19,358,254.69-5,229,092.12

Finding the Fourth Proportional to 12,905,560.53, 19,358,254.69 and 5,229,092.12

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Solution

The fourth proportional to 12,905,560.53, 19,358,254.69 and 5,229,092.12 is: 7,843,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,560.53 : 19,358,254.69 = 5,229,092.12 : x
  2. Step 2: Convert to fraction form
    12,905,560.53/19,358,254.69 = 5,229,092.12/x
  3. Step 3: Cross multiply
    12,905,560.53x = 19,358,254.69 × 5,229,092.12
  4. Step 4: Simplify right side
    12,905,560.53x = 101,226,096,933,495.31
  5. Step 5: Solve for x
    x = 101,226,096,933,495.31/12,905,560.53
  6. Step 6: Final answer
    x = 7,843,603.28

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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.