Home / 13,290,096.80-19,935,145.20-9,038,568.80

Finding the Fourth Proportional to 13,290,096.80, 19,935,145.20 and 9,038,568.80

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Solution

The fourth proportional to 13,290,096.80, 19,935,145.20 and 9,038,568.80 is: 13,557,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,096.80 : 19,935,145.20 = 9,038,568.80 : x
  2. Step 2: Convert to fraction form
    13,290,096.80/19,935,145.20 = 9,038,568.80/x
  3. Step 3: Cross multiply
    13,290,096.80x = 19,935,145.20 × 9,038,568.80
  4. Step 4: Simplify right side
    13,290,096.80x = 180,185,181,428,189.78
  5. Step 5: Solve for x
    x = 180,185,181,428,189.78/13,290,096.80
  6. Step 6: Final answer
    x = 13,557,853.20

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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.