Home / 8,805,890.40-13,208,835.60-6,680,126.40

Finding the Fourth Proportional to 8,805,890.40, 13,208,835.60 and 6,680,126.40

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Solution

The fourth proportional to 8,805,890.40, 13,208,835.60 and 6,680,126.40 is: 10,020,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,890.40 : 13,208,835.60 = 6,680,126.40 : x
  2. Step 2: Convert to fraction form
    8,805,890.40/13,208,835.60 = 6,680,126.40/x
  3. Step 3: Cross multiply
    8,805,890.40x = 13,208,835.60 × 6,680,126.40
  4. Step 4: Simplify right side
    8,805,890.40x = 88,236,691,404,819.84
  5. Step 5: Solve for x
    x = 88,236,691,404,819.84/8,805,890.40
  6. Step 6: Final answer
    x = 10,020,189.60

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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.