Home / 12,776,429.90-19,164,644.85-8,241,466.70

Finding the Fourth Proportional to 12,776,429.90, 19,164,644.85 and 8,241,466.70

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Solution

The fourth proportional to 12,776,429.90, 19,164,644.85 and 8,241,466.70 is: 12,362,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,429.90 : 19,164,644.85 = 8,241,466.70 : x
  2. Step 2: Convert to fraction form
    12,776,429.90/19,164,644.85 = 8,241,466.70/x
  3. Step 3: Cross multiply
    12,776,429.90x = 19,164,644.85 × 8,241,466.70
  4. Step 4: Simplify right side
    12,776,429.90x = 157,944,782,348,601.50
  5. Step 5: Solve for x
    x = 157,944,782,348,601.50/12,776,429.90
  6. Step 6: Final answer
    x = 12,362,200.05

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Similar ratio
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1.5x scale

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.