Home / 15,653,965.98-21,593,321.43-9,843,548.70

Finding the Fourth Proportional to 15,653,965.98, 21,593,321.43 and 9,843,548.70

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Solution

The fourth proportional to 15,653,965.98, 21,593,321.43 and 9,843,548.70 is: 13,578,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653,965.98 : 21,593,321.43 = 9,843,548.70 : x
  2. Step 2: Convert to fraction form
    15,653,965.98/21,593,321.43 = 9,843,548.70/x
  3. Step 3: Cross multiply
    15,653,965.98x = 21,593,321.43 × 9,843,548.70
  4. Step 4: Simplify right side
    15,653,965.98x = 212,554,911,090,958.62
  5. Step 5: Solve for x
    x = 212,554,911,090,958.62/15,653,965.98
  6. Step 6: Final answer
    x = 13,578,342.47

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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.