Home / 30,885,121.68-46,328,010.57-9,319,912.94

Finding the Fourth Proportional to 30,885,121.68, 46,328,010.57 and 9,319,912.94

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Solution

The fourth proportional to 30,885,121.68, 46,328,010.57 and 9,319,912.94 is: 13,979,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,121.68 : 46,328,010.57 = 9,319,912.94 : x
  2. Step 2: Convert to fraction form
    30,885,121.68/46,328,010.57 = 9,319,912.94/x
  3. Step 3: Cross multiply
    30,885,121.68x = 46,328,010.57 × 9,319,912.94
  4. Step 4: Simplify right side
    30,885,121.68x = 431,773,024,964,159.75
  5. Step 5: Solve for x
    x = 431,773,024,964,159.75/30,885,121.68
  6. Step 6: Final answer
    x = 13,979,968.40

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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.