Home / 13,205,327.20-19,807,990.80-11,525,711.20

Finding the Fourth Proportional to 13,205,327.20, 19,807,990.80 and 11,525,711.20

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Solution

The fourth proportional to 13,205,327.20, 19,807,990.80 and 11,525,711.20 is: 17,288,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,327.20 : 19,807,990.80 = 11,525,711.20 : x
  2. Step 2: Convert to fraction form
    13,205,327.20/19,807,990.80 = 11,525,711.20/x
  3. Step 3: Cross multiply
    13,205,327.20x = 19,807,990.80 × 11,525,711.20
  4. Step 4: Simplify right side
    13,205,327.20x = 228,301,181,413,056.97
  5. Step 5: Solve for x
    x = 228,301,181,413,056.97/13,205,327.20
  6. Step 6: Final answer
    x = 17,288,566.80

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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.