Home / 19,809,677.82-27,305,762.43-15,616,526.31

Finding the Fourth Proportional to 19,809,677.82, 27,305,762.43 and 15,616,526.31

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Solution

The fourth proportional to 19,809,677.82, 27,305,762.43 and 15,616,526.31 is: 21,525,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,677.82 : 27,305,762.43 = 15,616,526.31 : x
  2. Step 2: Convert to fraction form
    19,809,677.82/27,305,762.43 = 15,616,526.31/x
  3. Step 3: Cross multiply
    19,809,677.82x = 27,305,762.43 × 15,616,526.31
  4. Step 4: Simplify right side
    19,809,677.82x = 426,421,157,402,704.56
  5. Step 5: Solve for x
    x = 426,421,157,402,704.56/19,809,677.82
  6. Step 6: Final answer
    x = 21,525,900.69

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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.