Home / 28,082,143.44-42,138,758.52-13,705,330.32

Finding the Fourth Proportional to 28,082,143.44, 42,138,758.52 and 13,705,330.32

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Solution

The fourth proportional to 28,082,143.44, 42,138,758.52 and 13,705,330.32 is: 20,565,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,143.44 : 42,138,758.52 = 13,705,330.32 : x
  2. Step 2: Convert to fraction form
    28,082,143.44/42,138,758.52 = 13,705,330.32/x
  3. Step 3: Cross multiply
    28,082,143.44x = 42,138,758.52 × 13,705,330.32
  4. Step 4: Simplify right side
    28,082,143.44x = 577,525,604,791,314.38
  5. Step 5: Solve for x
    x = 577,525,604,791,314.38/28,082,143.44
  6. Step 6: Final answer
    x = 20,565,581.33

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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.