Home / 10,269,787.70-14,172,749.81-5,686,108.98

Finding the Fourth Proportional to 10,269,787.70, 14,172,749.81 and 5,686,108.98

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Solution

The fourth proportional to 10,269,787.70, 14,172,749.81 and 5,686,108.98 is: 7,847,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,787.70 : 14,172,749.81 = 5,686,108.98 : x
  2. Step 2: Convert to fraction form
    10,269,787.70/14,172,749.81 = 5,686,108.98/x
  3. Step 3: Cross multiply
    10,269,787.70x = 14,172,749.81 × 5,686,108.98
  4. Step 4: Simplify right side
    10,269,787.70x = 80,587,799,965,934.30
  5. Step 5: Solve for x
    x = 80,587,799,965,934.30/10,269,787.70
  6. Step 6: Final answer
    x = 7,847,075.55

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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.