Home / 8,340,918.12-11,504,530.98-7,654,807.08

Finding the Fourth Proportional to 8,340,918.12, 11,504,530.98 and 7,654,807.08

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Solution

The fourth proportional to 8,340,918.12, 11,504,530.98 and 7,654,807.08 is: 10,558,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,918.12 : 11,504,530.98 = 7,654,807.08 : x
  2. Step 2: Convert to fraction form
    8,340,918.12/11,504,530.98 = 7,654,807.08/x
  3. Step 3: Cross multiply
    8,340,918.12x = 11,504,530.98 × 7,654,807.08
  4. Step 4: Simplify right side
    8,340,918.12x = 88,064,965,197,783.34
  5. Step 5: Solve for x
    x = 88,064,965,197,783.34/8,340,918.12
  6. Step 6: Final answer
    x = 10,558,186.03

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1.5x scale

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.