Home / 13,190,454.20-19,785,025.20-6,801,352.40

Finding the Fourth Proportional to 13,190,454.20, 19,785,025.20 and 6,801,352.40

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Solution

The fourth proportional to 13,190,454.20, 19,785,025.20 and 6,801,352.40 is: 10,201,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,454.20 : 19,785,025.20 = 6,801,352.40 : x
  2. Step 2: Convert to fraction form
    13,190,454.20/19,785,025.20 = 6,801,352.40/x
  3. Step 3: Cross multiply
    13,190,454.20x = 19,785,025.20 × 6,801,352.40
  4. Step 4: Simplify right side
    13,190,454.20x = 134,564,928,628,080.48
  5. Step 5: Solve for x
    x = 134,564,928,628,080.48/13,190,454.20
  6. Step 6: Final answer
    x = 10,201,690.30

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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.