Home / 12,845,070.88-17,726,441.02-7,043,506.62

Finding the Fourth Proportional to 12,845,070.88, 17,726,441.02 and 7,043,506.62

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Solution

The fourth proportional to 12,845,070.88, 17,726,441.02 and 7,043,506.62 is: 9,720,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,070.88 : 17,726,441.02 = 7,043,506.62 : x
  2. Step 2: Convert to fraction form
    12,845,070.88/17,726,441.02 = 7,043,506.62/x
  3. Step 3: Cross multiply
    12,845,070.88x = 17,726,441.02 × 7,043,506.62
  4. Step 4: Simplify right side
    12,845,070.88x = 124,856,304,673,409.55
  5. Step 5: Solve for x
    x = 124,856,304,673,409.55/12,845,070.88
  6. Step 6: Final answer
    x = 9,720,172.50

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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.