Home / 7,679,417.49-11,520,844.38-2,887,148.27

Finding the Fourth Proportional to 7,679,417.49, 11,520,844.38 and 2,887,148.27

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Solution

The fourth proportional to 7,679,417.49, 11,520,844.38 and 2,887,148.27 is: 4,331,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,417.49 : 11,520,844.38 = 2,887,148.27 : x
  2. Step 2: Convert to fraction form
    7,679,417.49/11,520,844.38 = 2,887,148.27/x
  3. Step 3: Cross multiply
    7,679,417.49x = 11,520,844.38 × 2,887,148.27
  4. Step 4: Simplify right side
    7,679,417.49x = 33,262,385,949,458.34
  5. Step 5: Solve for x
    x = 33,262,385,949,458.34/7,679,417.49
  6. Step 6: Final answer
    x = 4,331,368.36

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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.