Home / 28,245,476.52-38,977,609.74-16,022,071.08

Finding the Fourth Proportional to 28,245,476.52, 38,977,609.74 and 16,022,071.08

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Solution

The fourth proportional to 28,245,476.52, 38,977,609.74 and 16,022,071.08 is: 22,109,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,476.52 : 38,977,609.74 = 16,022,071.08 : x
  2. Step 2: Convert to fraction form
    28,245,476.52/38,977,609.74 = 16,022,071.08/x
  3. Step 3: Cross multiply
    28,245,476.52x = 38,977,609.74 × 16,022,071.08
  4. Step 4: Simplify right side
    28,245,476.52x = 624,502,033,782,780.38
  5. Step 5: Solve for x
    x = 624,502,033,782,780.38/28,245,476.52
  6. Step 6: Final answer
    x = 22,109,806.98

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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.