Home / 11,947,711.45-16,487,568.20-7,301,478.28

Finding the Fourth Proportional to 11,947,711.45, 16,487,568.20 and 7,301,478.28

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Solution

The fourth proportional to 11,947,711.45, 16,487,568.20 and 7,301,478.28 is: 10,075,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947,711.45 : 16,487,568.20 = 7,301,478.28 : x
  2. Step 2: Convert to fraction form
    11,947,711.45/16,487,568.20 = 7,301,478.28/x
  3. Step 3: Cross multiply
    11,947,711.45x = 16,487,568.20 × 7,301,478.28
  4. Step 4: Simplify right side
    11,947,711.45x = 120,383,620,983,373.47
  5. Step 5: Solve for x
    x = 120,383,620,983,373.47/11,947,711.45
  6. Step 6: Final answer
    x = 10,075,872.82

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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.