Home / 12,493,427.98-17,241,809.20-6,987,315.17

Finding the Fourth Proportional to 12,493,427.98, 17,241,809.20 and 6,987,315.17

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Solution

The fourth proportional to 12,493,427.98, 17,241,809.20 and 6,987,315.17 is: 9,642,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,427.98 : 17,241,809.20 = 6,987,315.17 : x
  2. Step 2: Convert to fraction form
    12,493,427.98/17,241,809.20 = 6,987,315.17/x
  3. Step 3: Cross multiply
    12,493,427.98x = 17,241,809.20 × 6,987,315.17
  4. Step 4: Simplify right side
    12,493,427.98x = 120,473,954,911,700.34
  5. Step 5: Solve for x
    x = 120,473,954,911,700.34/12,493,427.98
  6. Step 6: Final answer
    x = 9,642,986.31

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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.