Home / 19,146,180.80-28,719,271.20-13,099,563.20

Finding the Fourth Proportional to 19,146,180.80, 28,719,271.20 and 13,099,563.20

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Solution

The fourth proportional to 19,146,180.80, 28,719,271.20 and 13,099,563.20 is: 19,649,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,180.80 : 28,719,271.20 = 13,099,563.20 : x
  2. Step 2: Convert to fraction form
    19,146,180.80/28,719,271.20 = 13,099,563.20/x
  3. Step 3: Cross multiply
    19,146,180.80x = 28,719,271.20 × 13,099,563.20
  4. Step 4: Simplify right side
    19,146,180.80x = 376,209,908,142,339.81
  5. Step 5: Solve for x
    x = 376,209,908,142,339.81/19,146,180.80
  6. Step 6: Final answer
    x = 19,649,344.80

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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.