Home / 13,080,907.20-19,628,359.20-5,508,638.40

Finding the Fourth Proportional to 13,080,907.20, 19,628,359.20 and 5,508,638.40

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Solution

The fourth proportional to 13,080,907.20, 19,628,359.20 and 5,508,638.40 is: 8,265,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080,907.20 : 19,628,359.20 = 5,508,638.40 : x
  2. Step 2: Convert to fraction form
    13,080,907.20/19,628,359.20 = 5,508,638.40/x
  3. Step 3: Cross multiply
    13,080,907.20x = 19,628,359.20 × 5,508,638.40
  4. Step 4: Simplify right side
    13,080,907.20x = 108,125,533,218,113.28
  5. Step 5: Solve for x
    x = 108,125,533,218,113.28/13,080,907.20
  6. Step 6: Final answer
    x = 8,265,904.77

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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.