Home / 13,774,088.57-20,654,748.27-5,135,869.64

Finding the Fourth Proportional to 13,774,088.57, 20,654,748.27 and 5,135,869.64

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Solution

The fourth proportional to 13,774,088.57, 20,654,748.27 and 5,135,869.64 is: 7,701,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,088.57 : 20,654,748.27 = 5,135,869.64 : x
  2. Step 2: Convert to fraction form
    13,774,088.57/20,654,748.27 = 5,135,869.64/x
  3. Step 3: Cross multiply
    13,774,088.57x = 20,654,748.27 × 5,135,869.64
  4. Step 4: Simplify right side
    13,774,088.57x = 106,080,094,536,056.17
  5. Step 5: Solve for x
    x = 106,080,094,536,056.17/13,774,088.57
  6. Step 6: Final answer
    x = 7,701,423.88

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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.