Home / 6,427,779.36-8,870,886.44-3,527,730.82

Finding the Fourth Proportional to 6,427,779.36, 8,870,886.44 and 3,527,730.82

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Solution

The fourth proportional to 6,427,779.36, 8,870,886.44 and 3,527,730.82 is: 4,868,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,779.36 : 8,870,886.44 = 3,527,730.82 : x
  2. Step 2: Convert to fraction form
    6,427,779.36/8,870,886.44 = 3,527,730.82/x
  3. Step 3: Cross multiply
    6,427,779.36x = 8,870,886.44 × 3,527,730.82
  4. Step 4: Simplify right side
    6,427,779.36x = 31,294,099,477,469.43
  5. Step 5: Solve for x
    x = 31,294,099,477,469.43/6,427,779.36
  6. Step 6: Final answer
    x = 4,868,570.89

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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.