Home / 30,497,977.80-45,746,675.10-7,469,013.60

Finding the Fourth Proportional to 30,497,977.80, 45,746,675.10 and 7,469,013.60

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Solution

The fourth proportional to 30,497,977.80, 45,746,675.10 and 7,469,013.60 is: 11,203,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,977.80 : 45,746,675.10 = 7,469,013.60 : x
  2. Step 2: Convert to fraction form
    30,497,977.80/45,746,675.10 = 7,469,013.60/x
  3. Step 3: Cross multiply
    30,497,977.80x = 45,746,675.10 × 7,469,013.60
  4. Step 4: Simplify right side
    30,497,977.80x = 341,682,538,476,681.38
  5. Step 5: Solve for x
    x = 341,682,538,476,681.38/30,497,977.80
  6. Step 6: Final answer
    x = 11,203,448.99

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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.