Home / 19,688,743.80-29,533,115.70-17,893,654.20

Finding the Fourth Proportional to 19,688,743.80, 29,533,115.70 and 17,893,654.20

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Solution

The fourth proportional to 19,688,743.80, 29,533,115.70 and 17,893,654.20 is: 26,840,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,743.80 : 29,533,115.70 = 17,893,654.20 : x
  2. Step 2: Convert to fraction form
    19,688,743.80/29,533,115.70 = 17,893,654.20/x
  3. Step 3: Cross multiply
    19,688,743.80x = 29,533,115.70 × 17,893,654.20
  4. Step 4: Simplify right side
    19,688,743.80x = 528,455,359,784,390.88
  5. Step 5: Solve for x
    x = 528,455,359,784,390.88/19,688,743.80
  6. Step 6: Final answer
    x = 26,840,481.30

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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.