Home / 11,865,971.60-17,798,957.40-9,740,207.60

Finding the Fourth Proportional to 11,865,971.60, 17,798,957.40 and 9,740,207.60

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Solution

The fourth proportional to 11,865,971.60, 17,798,957.40 and 9,740,207.60 is: 14,610,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,971.60 : 17,798,957.40 = 9,740,207.60 : x
  2. Step 2: Convert to fraction form
    11,865,971.60/17,798,957.40 = 9,740,207.60/x
  3. Step 3: Cross multiply
    11,865,971.60x = 17,798,957.40 × 9,740,207.60
  4. Step 4: Simplify right side
    11,865,971.60x = 173,365,540,139,556.22
  5. Step 5: Solve for x
    x = 173,365,540,139,556.22/11,865,971.60
  6. Step 6: Final answer
    x = 14,610,311.40

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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.