Home / 14,177,579.60-21,266,369.40-13,431,083.60

Finding the Fourth Proportional to 14,177,579.60, 21,266,369.40 and 13,431,083.60

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Solution

The fourth proportional to 14,177,579.60, 21,266,369.40 and 13,431,083.60 is: 20,146,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177,579.60 : 21,266,369.40 = 13,431,083.60 : x
  2. Step 2: Convert to fraction form
    14,177,579.60/21,266,369.40 = 13,431,083.60/x
  3. Step 3: Cross multiply
    14,177,579.60x = 21,266,369.40 × 13,431,083.60
  4. Step 4: Simplify right side
    14,177,579.60x = 285,630,385,279,881.81
  5. Step 5: Solve for x
    x = 285,630,385,279,881.81/14,177,579.60
  6. Step 6: Final answer
    x = 20,146,625.40

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Double scale
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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.