Home / 8,798,886.40-13,198,329.60-7,735,129.60

Finding the Fourth Proportional to 8,798,886.40, 13,198,329.60 and 7,735,129.60

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Solution

The fourth proportional to 8,798,886.40, 13,198,329.60 and 7,735,129.60 is: 11,602,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,886.40 : 13,198,329.60 = 7,735,129.60 : x
  2. Step 2: Convert to fraction form
    8,798,886.40/13,198,329.60 = 7,735,129.60/x
  3. Step 3: Cross multiply
    8,798,886.40x = 13,198,329.60 × 7,735,129.60
  4. Step 4: Simplify right side
    8,798,886.40x = 102,090,789,959,516.16
  5. Step 5: Solve for x
    x = 102,090,789,959,516.16/8,798,886.40
  6. Step 6: Final answer
    x = 11,602,694.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.