Home / 8,643,635.73-11,930,701.95-5,705,597.34

Finding the Fourth Proportional to 8,643,635.73, 11,930,701.95 and 5,705,597.34

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Solution

The fourth proportional to 8,643,635.73, 11,930,701.95 and 5,705,597.34 is: 7,875,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643,635.73 : 11,930,701.95 = 5,705,597.34 : x
  2. Step 2: Convert to fraction form
    8,643,635.73/11,930,701.95 = 5,705,597.34/x
  3. Step 3: Cross multiply
    8,643,635.73x = 11,930,701.95 × 5,705,597.34
  4. Step 4: Simplify right side
    8,643,635.73x = 68,071,781,310,252.80
  5. Step 5: Solve for x
    x = 68,071,781,310,252.80/8,643,635.73
  6. Step 6: Final answer
    x = 7,875,364.42

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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.