Home / 28,597,804.79-38,937,002.81-28,507,003.12

Finding the Fourth Proportional to 28,597,804.79, 38,937,002.81 and 28,507,003.12

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Solution

The fourth proportional to 28,597,804.79, 38,937,002.81 and 28,507,003.12 is: 38,813,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597,804.79 : 38,937,002.81 = 28,507,003.12 : x
  2. Step 2: Convert to fraction form
    28,597,804.79/38,937,002.81 = 28,507,003.12/x
  3. Step 3: Cross multiply
    28,597,804.79x = 38,937,002.81 × 28,507,003.12
  4. Step 4: Simplify right side
    28,597,804.79x = 1,109,977,260,393,433.75
  5. Step 5: Solve for x
    x = 1,109,977,260,393,433.75/28,597,804.79
  6. Step 6: Final answer
    x = 38,813,372.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.