Home / 10,008,947.72-13,809,698.70-5,877,658.25

Finding the Fourth Proportional to 10,008,947.72, 13,809,698.70 and 5,877,658.25

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Solution

The fourth proportional to 10,008,947.72, 13,809,698.70 and 5,877,658.25 is: 8,109,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,947.72 : 13,809,698.70 = 5,877,658.25 : x
  2. Step 2: Convert to fraction form
    10,008,947.72/13,809,698.70 = 5,877,658.25/x
  3. Step 3: Cross multiply
    10,008,947.72x = 13,809,698.70 × 5,877,658.25
  4. Step 4: Simplify right side
    10,008,947.72x = 81,168,689,425,020.78
  5. Step 5: Solve for x
    x = 81,168,689,425,020.78/10,008,947.72
  6. Step 6: Final answer
    x = 8,109,612.69

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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.