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Finding the Fourth Proportional to 14,315,300, 19,755,114 and 7,876,772

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Solution

The fourth proportional to 14,315,300, 19,755,114 and 7,876,772 is: 10,869,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315,300 : 19,755,114 = 7,876,772 : x
  2. Step 2: Convert to fraction form
    14,315,300/19,755,114 = 7,876,772/x
  3. Step 3: Cross multiply
    14,315,300x = 19,755,114 × 7,876,772
  4. Step 4: Simplify right side
    14,315,300x = 155,606,528,812,008
  5. Step 5: Solve for x
    x = 155,606,528,812,008/14,315,300
  6. Step 6: Final answer
    x = 10,869,945.36

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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.