Home / 30,005,538.36-45,007,685.46-7,286,554.68

Finding the Fourth Proportional to 30,005,538.36, 45,007,685.46 and 7,286,554.68

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Solution

The fourth proportional to 30,005,538.36, 45,007,685.46 and 7,286,554.68 is: 10,929,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005,538.36 : 45,007,685.46 = 7,286,554.68 : x
  2. Step 2: Convert to fraction form
    30,005,538.36/45,007,685.46 = 7,286,554.68/x
  3. Step 3: Cross multiply
    30,005,538.36x = 45,007,685.46 × 7,286,554.68
  4. Step 4: Simplify right side
    30,005,538.36x = 327,950,961,124,530.94
  5. Step 5: Solve for x
    x = 327,950,961,124,530.94/30,005,538.36
  6. Step 6: Final answer
    x = 10,929,680.95

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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.