Home / 31,605,921.60-47,408,900.76-8,886,818.76

Finding the Fourth Proportional to 31,605,921.60, 47,408,900.76 and 8,886,818.76

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Solution

The fourth proportional to 31,605,921.60, 47,408,900.76 and 8,886,818.76 is: 13,330,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,921.60 : 47,408,900.76 = 8,886,818.76 : x
  2. Step 2: Convert to fraction form
    31,605,921.60/47,408,900.76 = 8,886,818.76/x
  3. Step 3: Cross multiply
    31,605,921.60x = 47,408,900.76 × 8,886,818.76
  4. Step 4: Simplify right side
    31,605,921.60x = 421,314,308,664,946.25
  5. Step 5: Solve for x
    x = 421,314,308,664,946.25/31,605,921.60
  6. Step 6: Final answer
    x = 13,330,233.30

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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.