Home / 9,771,385.40-14,657,078.10-8,203,743.80

Finding the Fourth Proportional to 9,771,385.40, 14,657,078.10 and 8,203,743.80

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Solution

The fourth proportional to 9,771,385.40, 14,657,078.10 and 8,203,743.80 is: 12,305,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,385.40 : 14,657,078.10 = 8,203,743.80 : x
  2. Step 2: Convert to fraction form
    9,771,385.40/14,657,078.10 = 8,203,743.80/x
  3. Step 3: Cross multiply
    9,771,385.40x = 14,657,078.10 × 8,203,743.80
  4. Step 4: Simplify right side
    9,771,385.40x = 120,242,913,588,990.78
  5. Step 5: Solve for x
    x = 120,242,913,588,990.78/9,771,385.40
  6. Step 6: Final answer
    x = 12,305,615.70

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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.