Home / 28,281,811.24-42,414,974.43-7,806,636.10

Finding the Fourth Proportional to 28,281,811.24, 42,414,974.43 and 7,806,636.10

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Solution

The fourth proportional to 28,281,811.24, 42,414,974.43 and 7,806,636.10 is: 11,707,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281,811.24 : 42,414,974.43 = 7,806,636.10 : x
  2. Step 2: Convert to fraction form
    28,281,811.24/42,414,974.43 = 7,806,636.10/x
  3. Step 3: Cross multiply
    28,281,811.24x = 42,414,974.43 × 7,806,636.10
  4. Step 4: Simplify right side
    28,281,811.24x = 331,118,270,565,814.88
  5. Step 5: Solve for x
    x = 331,118,270,565,814.88/28,281,811.24
  6. Step 6: Final answer
    x = 11,707,817.00

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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.