Home / 13,230,420.40-19,842,087.66-3,643,520.01

Finding the Fourth Proportional to 13,230,420.40, 19,842,087.66 and 3,643,520.01

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Solution

The fourth proportional to 13,230,420.40, 19,842,087.66 and 3,643,520.01 is: 5,464,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,420.40 : 19,842,087.66 = 3,643,520.01 : x
  2. Step 2: Convert to fraction form
    13,230,420.40/19,842,087.66 = 3,643,520.01/x
  3. Step 3: Cross multiply
    13,230,420.40x = 19,842,087.66 × 3,643,520.01
  4. Step 4: Simplify right side
    13,230,420.40x = 72,295,043,379,778.86
  5. Step 5: Solve for x
    x = 72,295,043,379,778.86/13,230,420.40
  6. Step 6: Final answer
    x = 5,464,304.32

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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.