Home / 8,464,883.40-11,685,106.14-5,715,291.32

Finding the Fourth Proportional to 8,464,883.40, 11,685,106.14 and 5,715,291.32

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Solution

The fourth proportional to 8,464,883.40, 11,685,106.14 and 5,715,291.32 is: 7,889,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464,883.40 : 11,685,106.14 = 5,715,291.32 : x
  2. Step 2: Convert to fraction form
    8,464,883.40/11,685,106.14 = 5,715,291.32/x
  3. Step 3: Cross multiply
    8,464,883.40x = 11,685,106.14 × 5,715,291.32
  4. Step 4: Simplify right side
    8,464,883.40x = 66,783,785,659,181.98
  5. Step 5: Solve for x
    x = 66,783,785,659,181.98/8,464,883.40
  6. Step 6: Final answer
    x = 7,889,510.40

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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.