Home / 10,455,398.20-15,662,102.10-5,962,425.40

Finding the Fourth Proportional to 10,455,398.20, 15,662,102.10 and 5,962,425.40

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Solution

The fourth proportional to 10,455,398.20, 15,662,102.10 and 5,962,425.40 is: 8,931,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,398.20 : 15,662,102.10 = 5,962,425.40 : x
  2. Step 2: Convert to fraction form
    10,455,398.20/15,662,102.10 = 5,962,425.40/x
  3. Step 3: Cross multiply
    10,455,398.20x = 15,662,102.10 × 5,962,425.40
  4. Step 4: Simplify right side
    10,455,398.20x = 93,384,115,378,433.34
  5. Step 5: Solve for x
    x = 93,384,115,378,433.34/10,455,398.20
  6. Step 6: Final answer
    x = 8,931,665.12

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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.