Home / 15,820,535.84-21,835,754.31-9,627,577.88

Finding the Fourth Proportional to 15,820,535.84, 21,835,754.31 and 9,627,577.88

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Solution

The fourth proportional to 15,820,535.84, 21,835,754.31 and 9,627,577.88 is: 13,288,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,535.84 : 21,835,754.31 = 9,627,577.88 : x
  2. Step 2: Convert to fraction form
    15,820,535.84/21,835,754.31 = 9,627,577.88/x
  3. Step 3: Cross multiply
    15,820,535.84x = 21,835,754.31 × 9,627,577.88
  4. Step 4: Simplify right side
    15,820,535.84x = 210,225,425,188,070.66
  5. Step 5: Solve for x
    x = 210,225,425,188,070.66/15,820,535.84
  6. Step 6: Final answer
    x = 13,288,135.58

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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.