Home / 31,760,011.80-47,640,017.70-19,666,776.60

Finding the Fourth Proportional to 31,760,011.80, 47,640,017.70 and 19,666,776.60

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Solution

The fourth proportional to 31,760,011.80, 47,640,017.70 and 19,666,776.60 is: 29,500,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760,011.80 : 47,640,017.70 = 19,666,776.60 : x
  2. Step 2: Convert to fraction form
    31,760,011.80/47,640,017.70 = 19,666,776.60/x
  3. Step 3: Cross multiply
    31,760,011.80x = 47,640,017.70 × 19,666,776.60
  4. Step 4: Simplify right side
    31,760,011.80x = 936,925,585,325,946
  5. Step 5: Solve for x
    x = 936,925,585,325,946/31,760,011.80
  6. Step 6: Final answer
    x = 29,500,164.90

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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.