Home / 30,051,044.62-45,061,640.52-9,578,100.22

Finding the Fourth Proportional to 30,051,044.62, 45,061,640.52 and 9,578,100.22

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Solution

The fourth proportional to 30,051,044.62, 45,061,640.52 and 9,578,100.22 is: 14,362,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051,044.62 : 45,061,640.52 = 9,578,100.22 : x
  2. Step 2: Convert to fraction form
    30,051,044.62/45,061,640.52 = 9,578,100.22/x
  3. Step 3: Cross multiply
    30,051,044.62x = 45,061,640.52 × 9,578,100.22
  4. Step 4: Simplify right side
    30,051,044.62x = 431,604,908,978,173
  5. Step 5: Solve for x
    x = 431,604,908,978,173/30,051,044.62
  6. Step 6: Final answer
    x = 14,362,392.87

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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.