Home / 13,433,655.20-20,150,482.80-5,461,200.80

Finding the Fourth Proportional to 13,433,655.20, 20,150,482.80 and 5,461,200.80

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Solution

The fourth proportional to 13,433,655.20, 20,150,482.80 and 5,461,200.80 is: 8,191,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,655.20 : 20,150,482.80 = 5,461,200.80 : x
  2. Step 2: Convert to fraction form
    13,433,655.20/20,150,482.80 = 5,461,200.80/x
  3. Step 3: Cross multiply
    13,433,655.20x = 20,150,482.80 × 5,461,200.80
  4. Step 4: Simplify right side
    13,433,655.20x = 110,045,832,787,746.23
  5. Step 5: Solve for x
    x = 110,045,832,787,746.23/13,433,655.20
  6. Step 6: Final answer
    x = 8,191,801.20

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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.