Home / 28,134,089.28-42,200,672.40-8,964,586.80

Finding the Fourth Proportional to 28,134,089.28, 42,200,672.40 and 8,964,586.80

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Solution

The fourth proportional to 28,134,089.28, 42,200,672.40 and 8,964,586.80 is: 13,446,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,089.28 : 42,200,672.40 = 8,964,586.80 : x
  2. Step 2: Convert to fraction form
    28,134,089.28/42,200,672.40 = 8,964,586.80/x
  3. Step 3: Cross multiply
    28,134,089.28x = 42,200,672.40 × 8,964,586.80
  4. Step 4: Simplify right side
    28,134,089.28x = 378,311,590,748,164.31
  5. Step 5: Solve for x
    x = 378,311,590,748,164.31/28,134,089.28
  6. Step 6: Final answer
    x = 13,446,733.14

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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.