Home / 31,605,946.85-47,408,938.70-8,886,844.10

Finding the Fourth Proportional to 31,605,946.85, 47,408,938.70 and 8,886,844.10

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Solution

The fourth proportional to 31,605,946.85, 47,408,938.70 and 8,886,844.10 is: 13,330,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,946.85 : 47,408,938.70 = 8,886,844.10 : x
  2. Step 2: Convert to fraction form
    31,605,946.85/47,408,938.70 = 8,886,844.10/x
  3. Step 3: Cross multiply
    31,605,946.85x = 47,408,938.70 × 8,886,844.10
  4. Step 4: Simplify right side
    31,605,946.85x = 421,315,846,891,877.81
  5. Step 5: Solve for x
    x = 421,315,846,891,877.81/31,605,946.85
  6. Step 6: Final answer
    x = 13,330,271.32

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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.