Home / 30,007,959.08-45,011,939.16-7,288,703.24

Finding the Fourth Proportional to 30,007,959.08, 45,011,939.16 and 7,288,703.24

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Solution

The fourth proportional to 30,007,959.08, 45,011,939.16 and 7,288,703.24 is: 10,933,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,959.08 : 45,011,939.16 = 7,288,703.24 : x
  2. Step 2: Convert to fraction form
    30,007,959.08/45,011,939.16 = 7,288,703.24/x
  3. Step 3: Cross multiply
    30,007,959.08x = 45,011,939.16 × 7,288,703.24
  4. Step 4: Simplify right side
    30,007,959.08x = 328,078,666,794,174.88
  5. Step 5: Solve for x
    x = 328,078,666,794,174.88/30,007,959.08
  6. Step 6: Final answer
    x = 10,933,054.99

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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.