Home / 19,146,176.40-28,719,264.60-13,771,405.20

Finding the Fourth Proportional to 19,146,176.40, 28,719,264.60 and 13,771,405.20

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Solution

The fourth proportional to 19,146,176.40, 28,719,264.60 and 13,771,405.20 is: 20,657,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,176.40 : 28,719,264.60 = 13,771,405.20 : x
  2. Step 2: Convert to fraction form
    19,146,176.40/28,719,264.60 = 13,771,405.20/x
  3. Step 3: Cross multiply
    19,146,176.40x = 28,719,264.60 × 13,771,405.20
  4. Step 4: Simplify right side
    19,146,176.40x = 395,504,629,852,615.94
  5. Step 5: Solve for x
    x = 395,504,629,852,615.94/19,146,176.40
  6. Step 6: Final answer
    x = 20,657,107.80

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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.