Home / 14,342,738.95-21,520,461.66-7,517,690.16

Finding the Fourth Proportional to 14,342,738.95, 21,520,461.66 and 7,517,690.16

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Solution

The fourth proportional to 14,342,738.95, 21,520,461.66 and 7,517,690.16 is: 11,279,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,738.95 : 21,520,461.66 = 7,517,690.16 : x
  2. Step 2: Convert to fraction form
    14,342,738.95/21,520,461.66 = 7,517,690.16/x
  3. Step 3: Cross multiply
    14,342,738.95x = 21,520,461.66 × 7,517,690.16
  4. Step 4: Simplify right side
    14,342,738.95x = 161,784,162,860,039.28
  5. Step 5: Solve for x
    x = 161,784,162,860,039.28/14,342,738.95
  6. Step 6: Final answer
    x = 11,279,865.26

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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.