Home / 28,996,945.40-43,501,638.90-8,804,228.60

Finding the Fourth Proportional to 28,996,945.40, 43,501,638.90 and 8,804,228.60

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Solution

The fourth proportional to 28,996,945.40, 43,501,638.90 and 8,804,228.60 is: 13,208,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,945.40 : 43,501,638.90 = 8,804,228.60 : x
  2. Step 2: Convert to fraction form
    28,996,945.40/43,501,638.90 = 8,804,228.60/x
  3. Step 3: Cross multiply
    28,996,945.40x = 43,501,638.90 × 8,804,228.60
  4. Step 4: Simplify right side
    28,996,945.40x = 382,998,373,350,252.50
  5. Step 5: Solve for x
    x = 382,998,373,350,252.50/28,996,945.40
  6. Step 6: Final answer
    x = 13,208,231.70

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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.