Home / 15,199,890.67-20,977,346.64-8,674,502.32

Finding the Fourth Proportional to 15,199,890.67, 20,977,346.64 and 8,674,502.32

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Solution

The fourth proportional to 15,199,890.67, 20,977,346.64 and 8,674,502.32 is: 11,971,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199,890.67 : 20,977,346.64 = 8,674,502.32 : x
  2. Step 2: Convert to fraction form
    15,199,890.67/20,977,346.64 = 8,674,502.32/x
  3. Step 3: Cross multiply
    15,199,890.67x = 20,977,346.64 × 8,674,502.32
  4. Step 4: Simplify right side
    15,199,890.67x = 181,968,042,106,072.50
  5. Step 5: Solve for x
    x = 181,968,042,106,072.50/15,199,890.67
  6. Step 6: Final answer
    x = 11,971,667.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.