Home / 19,146,133.80-28,719,200.70-13,099,516.20

Finding the Fourth Proportional to 19,146,133.80, 28,719,200.70 and 13,099,516.20

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Solution

The fourth proportional to 19,146,133.80, 28,719,200.70 and 13,099,516.20 is: 19,649,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,133.80 : 28,719,200.70 = 13,099,516.20 : x
  2. Step 2: Convert to fraction form
    19,146,133.80/28,719,200.70 = 13,099,516.20/x
  3. Step 3: Cross multiply
    19,146,133.80x = 28,719,200.70 × 13,099,516.20
  4. Step 4: Simplify right side
    19,146,133.80x = 376,207,634,820,701.31
  5. Step 5: Solve for x
    x = 376,207,634,820,701.31/19,146,133.80
  6. Step 6: Final answer
    x = 19,649,274.30

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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.