Home / 21,054,937.67-31,583,381.91-6,482,509.89

Finding the Fourth Proportional to 21,054,937.67, 31,583,381.91 and 6,482,509.89

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Solution

The fourth proportional to 21,054,937.67, 31,583,381.91 and 6,482,509.89 is: 9,724,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,937.67 : 31,583,381.91 = 6,482,509.89 : x
  2. Step 2: Convert to fraction form
    21,054,937.67/31,583,381.91 = 6,482,509.89/x
  3. Step 3: Cross multiply
    21,054,937.67x = 31,583,381.91 × 6,482,509.89
  4. Step 4: Simplify right side
    21,054,937.67x = 204,739,585,591,222.09
  5. Step 5: Solve for x
    x = 204,739,585,591,222.09/21,054,937.67
  6. Step 6: Final answer
    x = 9,724,065.15

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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.