Home / 8,635,570.70-11,912,091.80-5,579,784.95

Finding the Fourth Proportional to 8,635,570.70, 11,912,091.80 and 5,579,784.95

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Solution

The fourth proportional to 8,635,570.70, 11,912,091.80 and 5,579,784.95 is: 7,696,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,570.70 : 11,912,091.80 = 5,579,784.95 : x
  2. Step 2: Convert to fraction form
    8,635,570.70/11,912,091.80 = 5,579,784.95/x
  3. Step 3: Cross multiply
    8,635,570.70x = 11,912,091.80 × 5,579,784.95
  4. Step 4: Simplify right side
    8,635,570.70x = 66,466,910,503,047.42
  5. Step 5: Solve for x
    x = 66,466,910,503,047.42/8,635,570.70
  6. Step 6: Final answer
    x = 7,696,875.27

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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.