Home / 7,665,556.10-11,506,309.40-5,646,080.30

Finding the Fourth Proportional to 7,665,556.10, 11,506,309.40 and 5,646,080.30

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Solution

The fourth proportional to 7,665,556.10, 11,506,309.40 and 5,646,080.30 is: 8,474,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,556.10 : 11,506,309.40 = 5,646,080.30 : x
  2. Step 2: Convert to fraction form
    7,665,556.10/11,506,309.40 = 5,646,080.30/x
  3. Step 3: Cross multiply
    7,665,556.10x = 11,506,309.40 × 5,646,080.30
  4. Step 4: Simplify right side
    7,665,556.10x = 64,965,546,785,628.47
  5. Step 5: Solve for x
    x = 64,965,546,785,628.47/7,665,556.10
  6. Step 6: Final answer
    x = 8,474,994.64

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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.