Home / 31,941,914.40-47,932,554.60-12,770,672.40

Finding the Fourth Proportional to 31,941,914.40, 47,932,554.60 and 12,770,672.40

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Solution

The fourth proportional to 31,941,914.40, 47,932,554.60 and 12,770,672.40 is: 19,163,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941,914.40 : 47,932,554.60 = 12,770,672.40 : x
  2. Step 2: Convert to fraction form
    31,941,914.40/47,932,554.60 = 12,770,672.40/x
  3. Step 3: Cross multiply
    31,941,914.40x = 47,932,554.60 × 12,770,672.40
  4. Step 4: Simplify right side
    31,941,914.40x = 612,130,952,091,713.12
  5. Step 5: Solve for x
    x = 612,130,952,091,713.12/31,941,914.40
  6. Step 6: Final answer
    x = 19,163,878.05

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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.