Home / 19,815,076.43-27,319,498.53-12,833,421.56

Finding the Fourth Proportional to 19,815,076.43, 27,319,498.53 and 12,833,421.56

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Solution

The fourth proportional to 19,815,076.43, 27,319,498.53 and 12,833,421.56 is: 17,693,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,076.43 : 27,319,498.53 = 12,833,421.56 : x
  2. Step 2: Convert to fraction form
    19,815,076.43/27,319,498.53 = 12,833,421.56/x
  3. Step 3: Cross multiply
    19,815,076.43x = 27,319,498.53 × 12,833,421.56
  4. Step 4: Simplify right side
    19,815,076.43x = 350,602,641,443,290.31
  5. Step 5: Solve for x
    x = 350,602,641,443,290.31/19,815,076.43
  6. Step 6: Final answer
    x = 17,693,731.47

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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.