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Finding the Fourth Proportional to 9,659,897.60, 14,489,846.40 and 8,697,747.20

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Solution

The fourth proportional to 9,659,897.60, 14,489,846.40 and 8,697,747.20 is: 13,046,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,897.60 : 14,489,846.40 = 8,697,747.20 : x
  2. Step 2: Convert to fraction form
    9,659,897.60/14,489,846.40 = 8,697,747.20/x
  3. Step 3: Cross multiply
    9,659,897.60x = 14,489,846.40 × 8,697,747.20
  4. Step 4: Simplify right side
    9,659,897.60x = 126,029,020,954,030.08
  5. Step 5: Solve for x
    x = 126,029,020,954,030.08/9,659,897.60
  6. Step 6: Final answer
    x = 13,046,620.80

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Similar ratio
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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.