Home / 8,319,671.28-11,481,222.24-4,881,969.36

Finding the Fourth Proportional to 8,319,671.28, 11,481,222.24 and 4,881,969.36

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Solution

The fourth proportional to 8,319,671.28, 11,481,222.24 and 4,881,969.36 is: 6,737,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,671.28 : 11,481,222.24 = 4,881,969.36 : x
  2. Step 2: Convert to fraction form
    8,319,671.28/11,481,222.24 = 4,881,969.36/x
  3. Step 3: Cross multiply
    8,319,671.28x = 11,481,222.24 × 4,881,969.36
  4. Step 4: Simplify right side
    8,319,671.28x = 56,050,975,191,030.57
  5. Step 5: Solve for x
    x = 56,050,975,191,030.57/8,319,671.28
  6. Step 6: Final answer
    x = 6,737,162.24

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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.