Home / 22,590,259.78-31,174,753.35-12,276,985

Finding the Fourth Proportional to 22,590,259.78, 31,174,753.35 and 12,276,985

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Solution

The fourth proportional to 22,590,259.78, 31,174,753.35 and 12,276,985 is: 16,942,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590,259.78 : 31,174,753.35 = 12,276,985 : x
  2. Step 2: Convert to fraction form
    22,590,259.78/31,174,753.35 = 12,276,985/x
  3. Step 3: Cross multiply
    22,590,259.78x = 31,174,753.35 × 12,276,985
  4. Step 4: Simplify right side
    22,590,259.78x = 382,731,979,256,649.75
  5. Step 5: Solve for x
    x = 382,731,979,256,649.75/22,590,259.78
  6. Step 6: Final answer
    x = 16,942,345.20

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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.