Home / 19,146,002.40-28,719,003.60-13,771,231.20

Finding the Fourth Proportional to 19,146,002.40, 28,719,003.60 and 13,771,231.20

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Solution

The fourth proportional to 19,146,002.40, 28,719,003.60 and 13,771,231.20 is: 20,656,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,002.40 : 28,719,003.60 = 13,771,231.20 : x
  2. Step 2: Convert to fraction form
    19,146,002.40/28,719,003.60 = 13,771,231.20/x
  3. Step 3: Cross multiply
    19,146,002.40x = 28,719,003.60 × 13,771,231.20
  4. Step 4: Simplify right side
    19,146,002.40x = 395,496,038,409,232.31
  5. Step 5: Solve for x
    x = 395,496,038,409,232.31/19,146,002.40
  6. Step 6: Final answer
    x = 20,656,846.80

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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.