Home / 28,938,661.56-43,367,462.10-21,745,608.84

Finding the Fourth Proportional to 28,938,661.56, 43,367,462.10 and 21,745,608.84

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Solution

The fourth proportional to 28,938,661.56, 43,367,462.10 and 21,745,608.84 is: 32,587,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,661.56 : 43,367,462.10 = 21,745,608.84 : x
  2. Step 2: Convert to fraction form
    28,938,661.56/43,367,462.10 = 21,745,608.84/x
  3. Step 3: Cross multiply
    28,938,661.56x = 43,367,462.10 × 21,745,608.84
  4. Step 4: Simplify right side
    28,938,661.56x = 943,051,867,210,125
  5. Step 5: Solve for x
    x = 943,051,867,210,125/28,938,661.56
  6. Step 6: Final answer
    x = 32,587,957.30

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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.