Home / 7,260,012.40-10,890,018.60-6,126,271.60

Finding the Fourth Proportional to 7,260,012.40, 10,890,018.60 and 6,126,271.60

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Solution

The fourth proportional to 7,260,012.40, 10,890,018.60 and 6,126,271.60 is: 9,189,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,012.40 : 10,890,018.60 = 6,126,271.60 : x
  2. Step 2: Convert to fraction form
    7,260,012.40/10,890,018.60 = 6,126,271.60/x
  3. Step 3: Cross multiply
    7,260,012.40x = 10,890,018.60 × 6,126,271.60
  4. Step 4: Simplify right side
    7,260,012.40x = 66,715,211,672,651.75
  5. Step 5: Solve for x
    x = 66,715,211,672,651.75/7,260,012.40
  6. Step 6: Final answer
    x = 9,189,407.40

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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.