Home / 28,471,666.50-42,775,631.82-18,256,539.96

Finding the Fourth Proportional to 28,471,666.50, 42,775,631.82 and 18,256,539.96

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Solution

The fourth proportional to 28,471,666.50, 42,775,631.82 and 18,256,539.96 is: 27,428,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,666.50 : 42,775,631.82 = 18,256,539.96 : x
  2. Step 2: Convert to fraction form
    28,471,666.50/42,775,631.82 = 18,256,539.96/x
  3. Step 3: Cross multiply
    28,471,666.50x = 42,775,631.82 × 18,256,539.96
  4. Step 4: Simplify right side
    28,471,666.50x = 780,935,031,636,077.62
  5. Step 5: Solve for x
    x = 780,935,031,636,077.62/28,471,666.50
  6. Step 6: Final answer
    x = 27,428,497.44

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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.