Home / 9,101,378.87-12,559,817.93-4,971,408.43

Finding the Fourth Proportional to 9,101,378.87, 12,559,817.93 and 4,971,408.43

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Solution

The fourth proportional to 9,101,378.87, 12,559,817.93 and 4,971,408.43 is: 6,860,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101,378.87 : 12,559,817.93 = 4,971,408.43 : x
  2. Step 2: Convert to fraction form
    9,101,378.87/12,559,817.93 = 4,971,408.43/x
  3. Step 3: Cross multiply
    9,101,378.87x = 12,559,817.93 × 4,971,408.43
  4. Step 4: Simplify right side
    9,101,378.87x = 62,439,984,731,724.39
  5. Step 5: Solve for x
    x = 62,439,984,731,724.39/9,101,378.87
  6. Step 6: Final answer
    x = 6,860,497.25

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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.