Home / 9,261,656.16-12,781,124.64-5,396,828.64

Finding the Fourth Proportional to 9,261,656.16, 12,781,124.64 and 5,396,828.64

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Solution

The fourth proportional to 9,261,656.16, 12,781,124.64 and 5,396,828.64 is: 7,447,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,656.16 : 12,781,124.64 = 5,396,828.64 : x
  2. Step 2: Convert to fraction form
    9,261,656.16/12,781,124.64 = 5,396,828.64/x
  3. Step 3: Cross multiply
    9,261,656.16x = 12,781,124.64 × 5,396,828.64
  4. Step 4: Simplify right side
    9,261,656.16x = 68,977,539,508,561.69
  5. Step 5: Solve for x
    x = 68,977,539,508,561.69/9,261,656.16
  6. Step 6: Final answer
    x = 7,447,646.33

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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.