Home / 12,357,745.60-18,536,618.40-8,316,169.60

Finding the Fourth Proportional to 12,357,745.60, 18,536,618.40 and 8,316,169.60

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Solution

The fourth proportional to 12,357,745.60, 18,536,618.40 and 8,316,169.60 is: 12,474,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,745.60 : 18,536,618.40 = 8,316,169.60 : x
  2. Step 2: Convert to fraction form
    12,357,745.60/18,536,618.40 = 8,316,169.60/x
  3. Step 3: Cross multiply
    12,357,745.60x = 18,536,618.40 × 8,316,169.60
  4. Step 4: Simplify right side
    12,357,745.60x = 154,153,662,424,880.62
  5. Step 5: Solve for x
    x = 154,153,662,424,880.62/12,357,745.60
  6. Step 6: Final answer
    x = 12,474,254.40

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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.