Home / 13,047,244.80-19,570,867.20-7,945,411.20

Finding the Fourth Proportional to 13,047,244.80, 19,570,867.20 and 7,945,411.20

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Solution

The fourth proportional to 13,047,244.80, 19,570,867.20 and 7,945,411.20 is: 11,918,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,244.80 : 19,570,867.20 = 7,945,411.20 : x
  2. Step 2: Convert to fraction form
    13,047,244.80/19,570,867.20 = 7,945,411.20/x
  3. Step 3: Cross multiply
    13,047,244.80x = 19,570,867.20 × 7,945,411.20
  4. Step 4: Simplify right side
    13,047,244.80x = 155,498,587,444,592.62
  5. Step 5: Solve for x
    x = 155,498,587,444,592.62/13,047,244.80
  6. Step 6: Final answer
    x = 11,918,116.80

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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.