Home / 21,078,187.02-29,094,083.46-12,259,712.48

Finding the Fourth Proportional to 21,078,187.02, 29,094,083.46 and 12,259,712.48

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Solution

The fourth proportional to 21,078,187.02, 29,094,083.46 and 12,259,712.48 is: 16,922,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,078,187.02 : 29,094,083.46 = 12,259,712.48 : x
  2. Step 2: Convert to fraction form
    21,078,187.02/29,094,083.46 = 12,259,712.48/x
  3. Step 3: Cross multiply
    21,078,187.02x = 29,094,083.46 × 12,259,712.48
  4. Step 4: Simplify right side
    21,078,187.02x = 356,685,097,943,253.19
  5. Step 5: Solve for x
    x = 356,685,097,943,253.19/21,078,187.02
  6. Step 6: Final answer
    x = 16,922,000.82

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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.