Home / 28,864,573.10-39,833,118.36-15,812,296.02

Finding the Fourth Proportional to 28,864,573.10, 39,833,118.36 and 15,812,296.02

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Solution

The fourth proportional to 28,864,573.10, 39,833,118.36 and 15,812,296.02 is: 21,820,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864,573.10 : 39,833,118.36 = 15,812,296.02 : x
  2. Step 2: Convert to fraction form
    28,864,573.10/39,833,118.36 = 15,812,296.02/x
  3. Step 3: Cross multiply
    28,864,573.10x = 39,833,118.36 × 15,812,296.02
  4. Step 4: Simplify right side
    28,864,573.10x = 629,853,058,908,016.88
  5. Step 5: Solve for x
    x = 629,853,058,908,016.88/28,864,573.10
  6. Step 6: Final answer
    x = 21,820,972.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.