Home / 28,740,638.47-43,111,568.44-10,297,784.72

Finding the Fourth Proportional to 28,740,638.47, 43,111,568.44 and 10,297,784.72

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Solution

The fourth proportional to 28,740,638.47, 43,111,568.44 and 10,297,784.72 is: 15,446,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,638.47 : 43,111,568.44 = 10,297,784.72 : x
  2. Step 2: Convert to fraction form
    28,740,638.47/43,111,568.44 = 10,297,784.72/x
  3. Step 3: Cross multiply
    28,740,638.47x = 43,111,568.44 × 10,297,784.72
  4. Step 4: Simplify right side
    28,740,638.47x = 443,953,650,678,162.62
  5. Step 5: Solve for x
    x = 443,953,650,678,162.62/28,740,638.47
  6. Step 6: Final answer
    x = 15,446,895.90

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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.