Home / 15,870,918.80-23,806,378.20-8,300,205.20

Finding the Fourth Proportional to 15,870,918.80, 23,806,378.20 and 8,300,205.20

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Solution

The fourth proportional to 15,870,918.80, 23,806,378.20 and 8,300,205.20 is: 12,450,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,918.80 : 23,806,378.20 = 8,300,205.20 : x
  2. Step 2: Convert to fraction form
    15,870,918.80/23,806,378.20 = 8,300,205.20/x
  3. Step 3: Cross multiply
    15,870,918.80x = 23,806,378.20 × 8,300,205.20
  4. Step 4: Simplify right side
    15,870,918.80x = 197,597,824,128,806.62
  5. Step 5: Solve for x
    x = 197,597,824,128,806.62/15,870,918.80
  6. Step 6: Final answer
    x = 12,450,307.80

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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.