Home / 12,776,865.40-19,165,298.10-8,241,902.20

Finding the Fourth Proportional to 12,776,865.40, 19,165,298.10 and 8,241,902.20

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Solution

The fourth proportional to 12,776,865.40, 19,165,298.10 and 8,241,902.20 is: 12,362,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,865.40 : 19,165,298.10 = 8,241,902.20 : x
  2. Step 2: Convert to fraction form
    12,776,865.40/19,165,298.10 = 8,241,902.20/x
  3. Step 3: Cross multiply
    12,776,865.40x = 19,165,298.10 × 8,241,902.20
  4. Step 4: Simplify right side
    12,776,865.40x = 157,958,512,574,045.84
  5. Step 5: Solve for x
    x = 157,958,512,574,045.84/12,776,865.40
  6. Step 6: Final answer
    x = 12,362,853.30

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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.