Home / 31,605,970.31-47,408,973.78-8,886,867.56

Finding the Fourth Proportional to 31,605,970.31, 47,408,973.78 and 8,886,867.56

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Solution

The fourth proportional to 31,605,970.31, 47,408,973.78 and 8,886,867.56 is: 13,330,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,970.31 : 47,408,973.78 = 8,886,867.56 : x
  2. Step 2: Convert to fraction form
    31,605,970.31/47,408,973.78 = 8,886,867.56/x
  3. Step 3: Cross multiply
    31,605,970.31x = 47,408,973.78 × 8,886,867.56
  4. Step 4: Simplify right side
    31,605,970.31x = 421,317,271,138,372.62
  5. Step 5: Solve for x
    x = 421,317,271,138,372.62/31,605,970.31
  6. Step 6: Final answer
    x = 13,330,306.49

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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.