Home / 15,317,684.27-21,137,782.06-8,348,213.84

Finding the Fourth Proportional to 15,317,684.27, 21,137,782.06 and 8,348,213.84

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Solution

The fourth proportional to 15,317,684.27, 21,137,782.06 and 8,348,213.84 is: 11,520,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,684.27 : 21,137,782.06 = 8,348,213.84 : x
  2. Step 2: Convert to fraction form
    15,317,684.27/21,137,782.06 = 8,348,213.84/x
  3. Step 3: Cross multiply
    15,317,684.27x = 21,137,782.06 × 8,348,213.84
  4. Step 4: Simplify right side
    15,317,684.27x = 176,462,724,704,210.50
  5. Step 5: Solve for x
    x = 176,462,724,704,210.50/15,317,684.27
  6. Step 6: Final answer
    x = 11,520,195.98

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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.