Home / 6,921,017.71-9,481,635.63-6,662,258.83

Finding the Fourth Proportional to 6,921,017.71, 9,481,635.63 and 6,662,258.83

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Solution

The fourth proportional to 6,921,017.71, 9,481,635.63 and 6,662,258.83 is: 9,127,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,017.71 : 9,481,635.63 = 6,662,258.83 : x
  2. Step 2: Convert to fraction form
    6,921,017.71/9,481,635.63 = 6,662,258.83/x
  3. Step 3: Cross multiply
    6,921,017.71x = 9,481,635.63 × 6,662,258.83
  4. Step 4: Simplify right side
    6,921,017.71x = 63,169,110,665,498.82
  5. Step 5: Solve for x
    x = 63,169,110,665,498.82/6,921,017.71
  6. Step 6: Final answer
    x = 9,127,141.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.