Home / 28,992,230.40-43,438,579.20-18,889,651.20

Finding the Fourth Proportional to 28,992,230.40, 43,438,579.20 and 18,889,651.20

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Solution

The fourth proportional to 28,992,230.40, 43,438,579.20 and 18,889,651.20 is: 28,302,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,230.40 : 43,438,579.20 = 18,889,651.20 : x
  2. Step 2: Convert to fraction form
    28,992,230.40/43,438,579.20 = 18,889,651.20/x
  3. Step 3: Cross multiply
    28,992,230.40x = 43,438,579.20 × 18,889,651.20
  4. Step 4: Simplify right side
    28,992,230.40x = 820,539,609,711,575.12
  5. Step 5: Solve for x
    x = 820,539,609,711,575.12/28,992,230.40
  6. Step 6: Final answer
    x = 28,302,051.91

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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.