Home / 13,783,507.70-20,675,261.55-13,570,931.30

Finding the Fourth Proportional to 13,783,507.70, 20,675,261.55 and 13,570,931.30

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Solution

The fourth proportional to 13,783,507.70, 20,675,261.55 and 13,570,931.30 is: 20,356,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,507.70 : 20,675,261.55 = 13,570,931.30 : x
  2. Step 2: Convert to fraction form
    13,783,507.70/20,675,261.55 = 13,570,931.30/x
  3. Step 3: Cross multiply
    13,783,507.70x = 20,675,261.55 × 13,570,931.30
  4. Step 4: Simplify right side
    13,783,507.70x = 280,582,554,104,581.53
  5. Step 5: Solve for x
    x = 280,582,554,104,581.53/13,783,507.70
  6. Step 6: Final answer
    x = 20,356,396.95

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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.