Home / 19,146,176.90-28,719,265.35-13,771,405.70

Finding the Fourth Proportional to 19,146,176.90, 28,719,265.35 and 13,771,405.70

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Solution

The fourth proportional to 19,146,176.90, 28,719,265.35 and 13,771,405.70 is: 20,657,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,176.90 : 28,719,265.35 = 13,771,405.70 : x
  2. Step 2: Convert to fraction form
    19,146,176.90/28,719,265.35 = 13,771,405.70/x
  3. Step 3: Cross multiply
    19,146,176.90x = 28,719,265.35 × 13,771,405.70
  4. Step 4: Simplify right side
    19,146,176.90x = 395,504,654,540,802.50
  5. Step 5: Solve for x
    x = 395,504,654,540,802.50/19,146,176.90
  6. Step 6: Final answer
    x = 20,657,108.55

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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.