Home / 16,915,889.75-23,343,950.93-9,180,932.18

Finding the Fourth Proportional to 16,915,889.75, 23,343,950.93 and 9,180,932.18

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Solution

The fourth proportional to 16,915,889.75, 23,343,950.93 and 9,180,932.18 is: 12,669,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,889.75 : 23,343,950.93 = 9,180,932.18 : x
  2. Step 2: Convert to fraction form
    16,915,889.75/23,343,950.93 = 9,180,932.18/x
  3. Step 3: Cross multiply
    16,915,889.75x = 23,343,950.93 × 9,180,932.18
  4. Step 4: Simplify right side
    16,915,889.75x = 214,319,230,138,953.53
  5. Step 5: Solve for x
    x = 214,319,230,138,953.53/16,915,889.75
  6. Step 6: Final answer
    x = 12,669,698.93

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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.