Home / 26,293,821.60-39,440,732.40-12,138,045.60

Finding the Fourth Proportional to 26,293,821.60, 39,440,732.40 and 12,138,045.60

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Solution

The fourth proportional to 26,293,821.60, 39,440,732.40 and 12,138,045.60 is: 18,207,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,293,821.60 : 39,440,732.40 = 12,138,045.60 : x
  2. Step 2: Convert to fraction form
    26,293,821.60/39,440,732.40 = 12,138,045.60/x
  3. Step 3: Cross multiply
    26,293,821.60x = 39,440,732.40 × 12,138,045.60
  4. Step 4: Simplify right side
    26,293,821.60x = 478,733,408,368,597.44
  5. Step 5: Solve for x
    x = 478,733,408,368,597.44/26,293,821.60
  6. Step 6: Final answer
    x = 18,207,068.40

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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.