Home / 23,165,699.51-31,968,056.65-12,711,683.72

Finding the Fourth Proportional to 23,165,699.51, 31,968,056.65 and 12,711,683.72

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Solution

The fourth proportional to 23,165,699.51, 31,968,056.65 and 12,711,683.72 is: 17,541,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165,699.51 : 31,968,056.65 = 12,711,683.72 : x
  2. Step 2: Convert to fraction form
    23,165,699.51/31,968,056.65 = 12,711,683.72/x
  3. Step 3: Cross multiply
    23,165,699.51x = 31,968,056.65 × 12,711,683.72
  4. Step 4: Simplify right side
    23,165,699.51x = 406,367,825,277,842.75
  5. Step 5: Solve for x
    x = 406,367,825,277,842.75/23,165,699.51
  6. Step 6: Final answer
    x = 17,541,789.54

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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.