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Finding the Fourth Proportional to 14,425,409, 19,907,686.50 and 7,986,881

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Solution

The fourth proportional to 14,425,409, 19,907,686.50 and 7,986,881 is: 11,022,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425,409 : 19,907,686.50 = 7,986,881 : x
  2. Step 2: Convert to fraction form
    14,425,409/19,907,686.50 = 7,986,881/x
  3. Step 3: Cross multiply
    14,425,409x = 19,907,686.50 × 7,986,881
  4. Step 4: Simplify right side
    14,425,409x = 159,000,323,060,806.50
  5. Step 5: Solve for x
    x = 159,000,323,060,806.50/14,425,409
  6. Step 6: Final answer
    x = 11,022,240.21

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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.