Home / 28,583,431.04-39,444,655.92-15,530,890.88

Finding the Fourth Proportional to 28,583,431.04, 39,444,655.92 and 15,530,890.88

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Solution

The fourth proportional to 28,583,431.04, 39,444,655.92 and 15,530,890.88 is: 21,432,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583,431.04 : 39,444,655.92 = 15,530,890.88 : x
  2. Step 2: Convert to fraction form
    28,583,431.04/39,444,655.92 = 15,530,890.88/x
  3. Step 3: Cross multiply
    28,583,431.04x = 39,444,655.92 × 15,530,890.88
  4. Step 4: Simplify right side
    28,583,431.04x = 612,610,646,892,666.12
  5. Step 5: Solve for x
    x = 612,610,646,892,666.12/28,583,431.04
  6. Step 6: Final answer
    x = 21,432,369.19

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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.