Home / 14,140,453.74-21,219,982.08-7,755,190.14

Finding the Fourth Proportional to 14,140,453.74, 21,219,982.08 and 7,755,190.14

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Solution

The fourth proportional to 14,140,453.74, 21,219,982.08 and 7,755,190.14 is: 11,637,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140,453.74 : 21,219,982.08 = 7,755,190.14 : x
  2. Step 2: Convert to fraction form
    14,140,453.74/21,219,982.08 = 7,755,190.14/x
  3. Step 3: Cross multiply
    14,140,453.74x = 21,219,982.08 × 7,755,190.14
  4. Step 4: Simplify right side
    14,140,453.74x = 164,564,995,797,792.66
  5. Step 5: Solve for x
    x = 164,564,995,797,792.66/14,140,453.74
  6. Step 6: Final answer
    x = 11,637,886.51

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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.