Home / 18,536,490.90-27,804,736.35-17,780,663.70

Finding the Fourth Proportional to 18,536,490.90, 27,804,736.35 and 17,780,663.70

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Solution

The fourth proportional to 18,536,490.90, 27,804,736.35 and 17,780,663.70 is: 26,670,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,490.90 : 27,804,736.35 = 17,780,663.70 : x
  2. Step 2: Convert to fraction form
    18,536,490.90/27,804,736.35 = 17,780,663.70/x
  3. Step 3: Cross multiply
    18,536,490.90x = 27,804,736.35 × 17,780,663.70
  4. Step 4: Simplify right side
    18,536,490.90x = 494,386,666,306,515.50
  5. Step 5: Solve for x
    x = 494,386,666,306,515.50/18,536,490.90
  6. Step 6: Final answer
    x = 26,670,995.55

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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.