Home / 28,047,274.08-42,084,234.74-19,424,643.86

Finding the Fourth Proportional to 28,047,274.08, 42,084,234.74 and 19,424,643.86

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Solution

The fourth proportional to 28,047,274.08, 42,084,234.74 and 19,424,643.86 is: 29,146,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047,274.08 : 42,084,234.74 = 19,424,643.86 : x
  2. Step 2: Convert to fraction form
    28,047,274.08/42,084,234.74 = 19,424,643.86/x
  3. Step 3: Cross multiply
    28,047,274.08x = 42,084,234.74 × 19,424,643.86
  4. Step 4: Simplify right side
    28,047,274.08x = 817,471,271,945,139.75
  5. Step 5: Solve for x
    x = 817,471,271,945,139.75/28,047,274.08
  6. Step 6: Final answer
    x = 29,146,193.30

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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.