Home / 30,049,967.91-45,075,728.25-8,190,526.89

Finding the Fourth Proportional to 30,049,967.91, 45,075,728.25 and 8,190,526.89

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Solution

The fourth proportional to 30,049,967.91, 45,075,728.25 and 8,190,526.89 is: 12,286,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049,967.91 : 45,075,728.25 = 8,190,526.89 : x
  2. Step 2: Convert to fraction form
    30,049,967.91/45,075,728.25 = 8,190,526.89/x
  3. Step 3: Cross multiply
    30,049,967.91x = 45,075,728.25 × 8,190,526.89
  4. Step 4: Simplify right side
    30,049,967.91x = 369,193,964,317,957.62
  5. Step 5: Solve for x
    x = 369,193,964,317,957.62/30,049,967.91
  6. Step 6: Final answer
    x = 12,286,001.95

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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.