Home / 12,695,762.25-19,024,976.10-7,503,027.21

Finding the Fourth Proportional to 12,695,762.25, 19,024,976.10 and 7,503,027.21

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Solution

The fourth proportional to 12,695,762.25, 19,024,976.10 and 7,503,027.21 is: 11,243,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,762.25 : 19,024,976.10 = 7,503,027.21 : x
  2. Step 2: Convert to fraction form
    12,695,762.25/19,024,976.10 = 7,503,027.21/x
  3. Step 3: Cross multiply
    12,695,762.25x = 19,024,976.10 × 7,503,027.21
  4. Step 4: Simplify right side
    12,695,762.25x = 142,744,913,347,899.69
  5. Step 5: Solve for x
    x = 142,744,913,347,899.69/12,695,762.25
  6. Step 6: Final answer
    x = 11,243,508.70

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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.