Home / 12,345,492.17-18,529,728.40-6,284,761.33

Finding the Fourth Proportional to 12,345,492.17, 18,529,728.40 and 6,284,761.33

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Solution

The fourth proportional to 12,345,492.17, 18,529,728.40 and 6,284,761.33 is: 9,432,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,492.17 : 18,529,728.40 = 6,284,761.33 : x
  2. Step 2: Convert to fraction form
    12,345,492.17/18,529,728.40 = 6,284,761.33/x
  3. Step 3: Cross multiply
    12,345,492.17x = 18,529,728.40 × 6,284,761.33
  4. Step 4: Simplify right side
    12,345,492.17x = 116,454,920,503,722.77
  5. Step 5: Solve for x
    x = 116,454,920,503,722.77/12,345,492.17
  6. Step 6: Final answer
    x = 9,432,991.32

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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.