Home / 28,865,765.53-39,834,804.47-15,812,739.87

Finding the Fourth Proportional to 28,865,765.53, 39,834,804.47 and 15,812,739.87

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Solution

The fourth proportional to 28,865,765.53, 39,834,804.47 and 15,812,739.87 is: 21,821,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,765.53 : 39,834,804.47 = 15,812,739.87 : x
  2. Step 2: Convert to fraction form
    28,865,765.53/39,834,804.47 = 15,812,739.87/x
  3. Step 3: Cross multiply
    28,865,765.53x = 39,834,804.47 × 15,812,739.87
  4. Step 4: Simplify right side
    28,865,765.53x = 629,897,400,856,423.12
  5. Step 5: Solve for x
    x = 629,897,400,856,423.12/28,865,765.53
  6. Step 6: Final answer
    x = 21,821,607.34

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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.