Home / 9,339,012.64-12,889,841.44-5,899,065.76

Finding the Fourth Proportional to 9,339,012.64, 12,889,841.44 and 5,899,065.76

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Solution

The fourth proportional to 9,339,012.64, 12,889,841.44 and 5,899,065.76 is: 8,141,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,012.64 : 12,889,841.44 = 5,899,065.76 : x
  2. Step 2: Convert to fraction form
    9,339,012.64/12,889,841.44 = 5,899,065.76/x
  3. Step 3: Cross multiply
    9,339,012.64x = 12,889,841.44 × 5,899,065.76
  4. Step 4: Simplify right side
    9,339,012.64x = 76,038,022,290,533.09
  5. Step 5: Solve for x
    x = 76,038,022,290,533.09/9,339,012.64
  6. Step 6: Final answer
    x = 8,141,976.59

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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.