Home / 19,145,107.31-28,726,089.84-10,045,010.57

Finding the Fourth Proportional to 19,145,107.31, 28,726,089.84 and 10,045,010.57

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Solution

The fourth proportional to 19,145,107.31, 28,726,089.84 and 10,045,010.57 is: 15,071,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145,107.31 : 28,726,089.84 = 10,045,010.57 : x
  2. Step 2: Convert to fraction form
    19,145,107.31/28,726,089.84 = 10,045,010.57/x
  3. Step 3: Cross multiply
    19,145,107.31x = 28,726,089.84 × 10,045,010.57
  4. Step 4: Simplify right side
    19,145,107.31x = 288,553,875,933,939.12
  5. Step 5: Solve for x
    x = 288,553,875,933,939.12/19,145,107.31
  6. Step 6: Final answer
    x = 15,071,938.29

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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.