Home / 8,461,000.72-11,664,903.74-6,724,468.72

Finding the Fourth Proportional to 8,461,000.72, 11,664,903.74 and 6,724,468.72

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Solution

The fourth proportional to 8,461,000.72, 11,664,903.74 and 6,724,468.72 is: 9,270,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,000.72 : 11,664,903.74 = 6,724,468.72 : x
  2. Step 2: Convert to fraction form
    8,461,000.72/11,664,903.74 = 6,724,468.72/x
  3. Step 3: Cross multiply
    8,461,000.72x = 11,664,903.74 × 6,724,468.72
  4. Step 4: Simplify right side
    8,461,000.72x = 78,440,280,321,441.02
  5. Step 5: Solve for x
    x = 78,440,280,321,441.02/8,461,000.72
  6. Step 6: Final answer
    x = 9,270,804.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.