Home / 12,789,000.60-19,183,500.90-11,146,709.40

Finding the Fourth Proportional to 12,789,000.60, 19,183,500.90 and 11,146,709.40

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Solution

The fourth proportional to 12,789,000.60, 19,183,500.90 and 11,146,709.40 is: 16,720,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,000.60 : 19,183,500.90 = 11,146,709.40 : x
  2. Step 2: Convert to fraction form
    12,789,000.60/19,183,500.90 = 11,146,709.40/x
  3. Step 3: Cross multiply
    12,789,000.60x = 19,183,500.90 × 11,146,709.40
  4. Step 4: Simplify right side
    12,789,000.60x = 213,832,909,806,938.44
  5. Step 5: Solve for x
    x = 213,832,909,806,938.44/12,789,000.60
  6. Step 6: Final answer
    x = 16,720,064.10

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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.