Home / 28,608,004.90-42,912,007.35-7,042,435.30

Finding the Fourth Proportional to 28,608,004.90, 42,912,007.35 and 7,042,435.30

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Solution

The fourth proportional to 28,608,004.90, 42,912,007.35 and 7,042,435.30 is: 10,563,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,004.90 : 42,912,007.35 = 7,042,435.30 : x
  2. Step 2: Convert to fraction form
    28,608,004.90/42,912,007.35 = 7,042,435.30/x
  3. Step 3: Cross multiply
    28,608,004.90x = 42,912,007.35 × 7,042,435.30
  4. Step 4: Simplify right side
    28,608,004.90x = 302,205,035,355,499.44
  5. Step 5: Solve for x
    x = 302,205,035,355,499.44/28,608,004.90
  6. Step 6: Final answer
    x = 10,563,652.95

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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.