Home / 31,605,963.29-47,408,963.26-8,886,860.54

Finding the Fourth Proportional to 31,605,963.29, 47,408,963.26 and 8,886,860.54

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Solution

The fourth proportional to 31,605,963.29, 47,408,963.26 and 8,886,860.54 is: 13,330,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,963.29 : 47,408,963.26 = 8,886,860.54 : x
  2. Step 2: Convert to fraction form
    31,605,963.29/47,408,963.26 = 8,886,860.54/x
  3. Step 3: Cross multiply
    31,605,963.29x = 47,408,963.26 × 8,886,860.54
  4. Step 4: Simplify right side
    31,605,963.29x = 421,316,844,837,603.69
  5. Step 5: Solve for x
    x = 421,316,844,837,603.69/31,605,963.29
  6. Step 6: Final answer
    x = 13,330,295.96

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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.