Home / 28,876,758.63-43,312,972.81-8,406,635.46

Finding the Fourth Proportional to 28,876,758.63, 43,312,972.81 and 8,406,635.46

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Solution

The fourth proportional to 28,876,758.63, 43,312,972.81 and 8,406,635.46 is: 12,609,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,758.63 : 43,312,972.81 = 8,406,635.46 : x
  2. Step 2: Convert to fraction form
    28,876,758.63/43,312,972.81 = 8,406,635.46/x
  3. Step 3: Cross multiply
    28,876,758.63x = 43,312,972.81 × 8,406,635.46
  4. Step 4: Simplify right side
    28,876,758.63x = 364,116,373,102,561.88
  5. Step 5: Solve for x
    x = 364,116,373,102,561.88/28,876,758.63
  6. Step 6: Final answer
    x = 12,609,322.87

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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.