Home / 13,047,543.20-19,571,314.80-9,646,320.80

Finding the Fourth Proportional to 13,047,543.20, 19,571,314.80 and 9,646,320.80

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Solution

The fourth proportional to 13,047,543.20, 19,571,314.80 and 9,646,320.80 is: 14,469,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,543.20 : 19,571,314.80 = 9,646,320.80 : x
  2. Step 2: Convert to fraction form
    13,047,543.20/19,571,314.80 = 9,646,320.80/x
  3. Step 3: Cross multiply
    13,047,543.20x = 19,571,314.80 × 9,646,320.80
  4. Step 4: Simplify right side
    13,047,543.20x = 188,791,181,038,587.88
  5. Step 5: Solve for x
    x = 188,791,181,038,587.88/13,047,543.20
  6. Step 6: Final answer
    x = 14,469,481.20

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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.