Home / 19,319,604.60-28,982,906.10-9,710,801.40

Finding the Fourth Proportional to 19,319,604.60, 28,982,906.10 and 9,710,801.40

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Solution

The fourth proportional to 19,319,604.60, 28,982,906.10 and 9,710,801.40 is: 14,567,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,604.60 : 28,982,906.10 = 9,710,801.40 : x
  2. Step 2: Convert to fraction form
    19,319,604.60/28,982,906.10 = 9,710,801.40/x
  3. Step 3: Cross multiply
    19,319,604.60x = 28,982,906.10 × 9,710,801.40
  4. Step 4: Simplify right side
    19,319,604.60x = 281,447,245,131,948.56
  5. Step 5: Solve for x
    x = 281,447,245,131,948.56/19,319,604.60
  6. Step 6: Final answer
    x = 14,567,960.94

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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.