Home / 7,117,499.45-9,822,154.56-3,854,317.76

Finding the Fourth Proportional to 7,117,499.45, 9,822,154.56 and 3,854,317.76

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Solution

The fourth proportional to 7,117,499.45, 9,822,154.56 and 3,854,317.76 is: 5,318,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,499.45 : 9,822,154.56 = 3,854,317.76 : x
  2. Step 2: Convert to fraction form
    7,117,499.45/9,822,154.56 = 3,854,317.76/x
  3. Step 3: Cross multiply
    7,117,499.45x = 9,822,154.56 × 3,854,317.76
  4. Step 4: Simplify right side
    7,117,499.45x = 37,857,704,712,962.21
  5. Step 5: Solve for x
    x = 37,857,704,712,962.21/7,117,499.45
  6. Step 6: Final answer
    x = 5,318,961.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.