Home / 30,497,963.80-45,746,654.10-7,468,999.60

Finding the Fourth Proportional to 30,497,963.80, 45,746,654.10 and 7,468,999.60

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Solution

The fourth proportional to 30,497,963.80, 45,746,654.10 and 7,468,999.60 is: 11,203,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,963.80 : 45,746,654.10 = 7,468,999.60 : x
  2. Step 2: Convert to fraction form
    30,497,963.80/45,746,654.10 = 7,468,999.60/x
  3. Step 3: Cross multiply
    30,497,963.80x = 45,746,654.10 × 7,468,999.60
  4. Step 4: Simplify right side
    30,497,963.80x = 341,681,741,174,238.38
  5. Step 5: Solve for x
    x = 341,681,741,174,238.38/30,497,963.80
  6. Step 6: Final answer
    x = 11,203,427.99

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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.