Home / 12,794,815.60-19,154,898.60-12,421,567.60

Finding the Fourth Proportional to 12,794,815.60, 19,154,898.60 and 12,421,567.60

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Solution

The fourth proportional to 12,794,815.60, 19,154,898.60 and 12,421,567.60 is: 18,596,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,815.60 : 19,154,898.60 = 12,421,567.60 : x
  2. Step 2: Convert to fraction form
    12,794,815.60/19,154,898.60 = 12,421,567.60/x
  3. Step 3: Cross multiply
    12,794,815.60x = 19,154,898.60 × 12,421,567.60
  4. Step 4: Simplify right side
    12,794,815.60x = 237,933,867,831,045.38
  5. Step 5: Solve for x
    x = 237,933,867,831,045.38/12,794,815.60
  6. Step 6: Final answer
    x = 18,596,115.43

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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.