Home / 26,293,139.60-39,439,709.40-12,137,363.60

Finding the Fourth Proportional to 26,293,139.60, 39,439,709.40 and 12,137,363.60

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Solution

The fourth proportional to 26,293,139.60, 39,439,709.40 and 12,137,363.60 is: 18,206,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,293,139.60 : 39,439,709.40 = 12,137,363.60 : x
  2. Step 2: Convert to fraction form
    26,293,139.60/39,439,709.40 = 12,137,363.60/x
  3. Step 3: Cross multiply
    26,293,139.60x = 39,439,709.40 × 12,137,363.60
  4. Step 4: Simplify right side
    26,293,139.60x = 478,694,093,266,137.81
  5. Step 5: Solve for x
    x = 478,694,093,266,137.81/26,293,139.60
  6. Step 6: Final answer
    x = 18,206,045.40

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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.