Home / 28,865,765.03-39,834,803.79-15,812,739.37

Finding the Fourth Proportional to 28,865,765.03, 39,834,803.79 and 15,812,739.37

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Solution

The fourth proportional to 28,865,765.03, 39,834,803.79 and 15,812,739.37 is: 21,821,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,765.03 : 39,834,803.79 = 15,812,739.37 : x
  2. Step 2: Convert to fraction form
    28,865,765.03/39,834,803.79 = 15,812,739.37/x
  3. Step 3: Cross multiply
    28,865,765.03x = 39,834,803.79 × 15,812,739.37
  4. Step 4: Simplify right side
    28,865,765.03x = 629,897,369,908,120.50
  5. Step 5: Solve for x
    x = 629,897,369,908,120.50/28,865,765.03
  6. Step 6: Final answer
    x = 21,821,606.64

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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.