Home / 21,102,714.54-29,124,804.57-12,160,085.01

Finding the Fourth Proportional to 21,102,714.54, 29,124,804.57 and 12,160,085.01

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Solution

The fourth proportional to 21,102,714.54, 29,124,804.57 and 12,160,085.01 is: 16,782,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,714.54 : 29,124,804.57 = 12,160,085.01 : x
  2. Step 2: Convert to fraction form
    21,102,714.54/29,124,804.57 = 12,160,085.01/x
  3. Step 3: Cross multiply
    21,102,714.54x = 29,124,804.57 × 12,160,085.01
  4. Step 4: Simplify right side
    21,102,714.54x = 354,160,099,470,836.50
  5. Step 5: Solve for x
    x = 354,160,099,470,836.50/21,102,714.54
  6. Step 6: Final answer
    x = 16,782,679.73

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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.