Home / 12,026,141.80-18,037,971.42-8,160,420.02

Finding the Fourth Proportional to 12,026,141.80, 18,037,971.42 and 8,160,420.02

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Solution

The fourth proportional to 12,026,141.80, 18,037,971.42 and 8,160,420.02 is: 12,239,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,141.80 : 18,037,971.42 = 8,160,420.02 : x
  2. Step 2: Convert to fraction form
    12,026,141.80/18,037,971.42 = 8,160,420.02/x
  3. Step 3: Cross multiply
    12,026,141.80x = 18,037,971.42 × 8,160,420.02
  4. Step 4: Simplify right side
    12,026,141.80x = 147,197,423,076,628
  5. Step 5: Solve for x
    x = 147,197,423,076,628/12,026,141.80
  6. Step 6: Final answer
    x = 12,239,787.75

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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.