Home / 12,230,654.60-18,345,981.90-5,038,486.40

Finding the Fourth Proportional to 12,230,654.60, 18,345,981.90 and 5,038,486.40

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Solution

The fourth proportional to 12,230,654.60, 18,345,981.90 and 5,038,486.40 is: 7,557,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,654.60 : 18,345,981.90 = 5,038,486.40 : x
  2. Step 2: Convert to fraction form
    12,230,654.60/18,345,981.90 = 5,038,486.40/x
  3. Step 3: Cross multiply
    12,230,654.60x = 18,345,981.90 × 5,038,486.40
  4. Step 4: Simplify right side
    12,230,654.60x = 92,435,980,297,796.16
  5. Step 5: Solve for x
    x = 92,435,980,297,796.16/12,230,654.60
  6. Step 6: Final answer
    x = 7,557,729.60

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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.