Home / 7,020,061.20-10,530,091.80-3,831,415.20

Finding the Fourth Proportional to 7,020,061.20, 10,530,091.80 and 3,831,415.20

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Solution

The fourth proportional to 7,020,061.20, 10,530,091.80 and 3,831,415.20 is: 5,747,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,061.20 : 10,530,091.80 = 3,831,415.20 : x
  2. Step 2: Convert to fraction form
    7,020,061.20/10,530,091.80 = 3,831,415.20/x
  3. Step 3: Cross multiply
    7,020,061.20x = 10,530,091.80 × 3,831,415.20
  4. Step 4: Simplify right side
    7,020,061.20x = 40,345,153,779,915.37
  5. Step 5: Solve for x
    x = 40,345,153,779,915.37/7,020,061.20
  6. Step 6: Final answer
    x = 5,747,122.80

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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.