Home / 28,938,683.56-43,367,495.08-21,745,630.84

Finding the Fourth Proportional to 28,938,683.56, 43,367,495.08 and 21,745,630.84

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Solution

The fourth proportional to 28,938,683.56, 43,367,495.08 and 21,745,630.84 is: 32,587,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,683.56 : 43,367,495.08 = 21,745,630.84 : x
  2. Step 2: Convert to fraction form
    28,938,683.56/43,367,495.08 = 21,745,630.84/x
  3. Step 3: Cross multiply
    28,938,683.56x = 43,367,495.08 × 21,745,630.84
  4. Step 4: Simplify right side
    28,938,683.56x = 943,053,538,465,196.25
  5. Step 5: Solve for x
    x = 943,053,538,465,196.25/28,938,683.56
  6. Step 6: Final answer
    x = 32,587,990.28

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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.