Home / 31,373,130.40-47,050,364.40-12,192,848.80

Finding the Fourth Proportional to 31,373,130.40, 47,050,364.40 and 12,192,848.80

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Solution

The fourth proportional to 31,373,130.40, 47,050,364.40 and 12,192,848.80 is: 18,285,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373,130.40 : 47,050,364.40 = 12,192,848.80 : x
  2. Step 2: Convert to fraction form
    31,373,130.40/47,050,364.40 = 12,192,848.80/x
  3. Step 3: Cross multiply
    31,373,130.40x = 47,050,364.40 × 12,192,848.80
  4. Step 4: Simplify right side
    31,373,130.40x = 573,677,979,114,102.75
  5. Step 5: Solve for x
    x = 573,677,979,114,102.75/31,373,130.40
  6. Step 6: Final answer
    x = 18,285,646.72

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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.