Home / 9,318,019.84-12,858,841.04-5,243,638.80

Finding the Fourth Proportional to 9,318,019.84, 12,858,841.04 and 5,243,638.80

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Solution

The fourth proportional to 9,318,019.84, 12,858,841.04 and 5,243,638.80 is: 7,236,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,019.84 : 12,858,841.04 = 5,243,638.80 : x
  2. Step 2: Convert to fraction form
    9,318,019.84/12,858,841.04 = 5,243,638.80/x
  3. Step 3: Cross multiply
    9,318,019.84x = 12,858,841.04 × 5,243,638.80
  4. Step 4: Simplify right side
    9,318,019.84x = 67,427,117,800,376.34
  5. Step 5: Solve for x
    x = 67,427,117,800,376.34/9,318,019.84
  6. Step 6: Final answer
    x = 7,236,206.72

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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.