Home / 13,302,544.40-19,959,691.80-6,475,331.60

Finding the Fourth Proportional to 13,302,544.40, 19,959,691.80 and 6,475,331.60

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Solution

The fourth proportional to 13,302,544.40, 19,959,691.80 and 6,475,331.60 is: 9,715,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,544.40 : 19,959,691.80 = 6,475,331.60 : x
  2. Step 2: Convert to fraction form
    13,302,544.40/19,959,691.80 = 6,475,331.60/x
  3. Step 3: Cross multiply
    13,302,544.40x = 19,959,691.80 × 6,475,331.60
  4. Step 4: Simplify right side
    13,302,544.40x = 129,245,623,038,800.88
  5. Step 5: Solve for x
    x = 129,245,623,038,800.88/13,302,544.40
  6. Step 6: Final answer
    x = 9,715,857.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.