Home / 18,536,490.40-27,804,735.60-17,780,663.20

Finding the Fourth Proportional to 18,536,490.40, 27,804,735.60 and 17,780,663.20

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Solution

The fourth proportional to 18,536,490.40, 27,804,735.60 and 17,780,663.20 is: 26,670,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,490.40 : 27,804,735.60 = 17,780,663.20 : x
  2. Step 2: Convert to fraction form
    18,536,490.40/27,804,735.60 = 17,780,663.20/x
  3. Step 3: Cross multiply
    18,536,490.40x = 27,804,735.60 × 17,780,663.20
  4. Step 4: Simplify right side
    18,536,490.40x = 494,386,639,068,649.94
  5. Step 5: Solve for x
    x = 494,386,639,068,649.94/18,536,490.40
  6. Step 6: Final answer
    x = 26,670,994.80

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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.