Home / 28,583,445.04-39,444,675.20-15,530,904.88

Finding the Fourth Proportional to 28,583,445.04, 39,444,675.20 and 15,530,904.88

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Solution

The fourth proportional to 28,583,445.04, 39,444,675.20 and 15,530,904.88 is: 21,432,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583,445.04 : 39,444,675.20 = 15,530,904.88 : x
  2. Step 2: Convert to fraction form
    28,583,445.04/39,444,675.20 = 15,530,904.88/x
  3. Step 3: Cross multiply
    28,583,445.04x = 39,444,675.20 × 15,530,904.88
  4. Step 4: Simplify right side
    28,583,445.04x = 612,611,498,553,695
  5. Step 5: Solve for x
    x = 612,611,498,553,695/28,583,445.04
  6. Step 6: Final answer
    x = 21,432,388.49

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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.