Home / 14,684,873.76-20,263,937.73-8,490,317.94

Finding the Fourth Proportional to 14,684,873.76, 20,263,937.73 and 8,490,317.94

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Solution

The fourth proportional to 14,684,873.76, 20,263,937.73 and 8,490,317.94 is: 11,715,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684,873.76 : 20,263,937.73 = 8,490,317.94 : x
  2. Step 2: Convert to fraction form
    14,684,873.76/20,263,937.73 = 8,490,317.94/x
  3. Step 3: Cross multiply
    14,684,873.76x = 20,263,937.73 × 8,490,317.94
  4. Step 4: Simplify right side
    14,684,873.76x = 172,047,274,044,061.88
  5. Step 5: Solve for x
    x = 172,047,274,044,061.88/14,684,873.76
  6. Step 6: Final answer
    x = 11,715,951.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.