Home / 28,585,338.80-39,448,016.69-15,532,597.67

Finding the Fourth Proportional to 28,585,338.80, 39,448,016.69 and 15,532,597.67

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Solution

The fourth proportional to 28,585,338.80, 39,448,016.69 and 15,532,597.67 is: 21,435,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,338.80 : 39,448,016.69 = 15,532,597.67 : x
  2. Step 2: Convert to fraction form
    28,585,338.80/39,448,016.69 = 15,532,597.67/x
  3. Step 3: Cross multiply
    28,585,338.80x = 39,448,016.69 × 15,532,597.67
  4. Step 4: Simplify right side
    28,585,338.80x = 612,730,171,850,312
  5. Step 5: Solve for x
    x = 612,730,171,850,312/28,585,338.80
  6. Step 6: Final answer
    x = 21,435,120.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.