Home / 26,433,857.70-39,658,904.46-12,618,445.68

Finding the Fourth Proportional to 26,433,857.70, 39,658,904.46 and 12,618,445.68

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Solution

The fourth proportional to 26,433,857.70, 39,658,904.46 and 12,618,445.68 is: 18,931,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433,857.70 : 39,658,904.46 = 12,618,445.68 : x
  2. Step 2: Convert to fraction form
    26,433,857.70/39,658,904.46 = 12,618,445.68/x
  3. Step 3: Cross multiply
    26,433,857.70x = 39,658,904.46 × 12,618,445.68
  4. Step 4: Simplify right side
    26,433,857.70x = 500,433,731,656,819.75
  5. Step 5: Solve for x
    x = 500,433,731,656,819.75/26,433,857.70
  6. Step 6: Final answer
    x = 18,931,543.68

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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.