Home / 8,040,434.40-12,039,656.40-5,185,087.20

Finding the Fourth Proportional to 8,040,434.40, 12,039,656.40 and 5,185,087.20

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Solution

The fourth proportional to 8,040,434.40, 12,039,656.40 and 5,185,087.20 is: 7,764,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,434.40 : 12,039,656.40 = 5,185,087.20 : x
  2. Step 2: Convert to fraction form
    8,040,434.40/12,039,656.40 = 5,185,087.20/x
  3. Step 3: Cross multiply
    8,040,434.40x = 12,039,656.40 × 5,185,087.20
  4. Step 4: Simplify right side
    8,040,434.40x = 62,426,668,292,038.09
  5. Step 5: Solve for x
    x = 62,426,668,292,038.09/8,040,434.40
  6. Step 6: Final answer
    x = 7,764,091.49

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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.