Home / 30,007,936.83-45,011,905.79-7,288,680.99

Finding the Fourth Proportional to 30,007,936.83, 45,011,905.79 and 7,288,680.99

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Solution

The fourth proportional to 30,007,936.83, 45,011,905.79 and 7,288,680.99 is: 10,933,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,936.83 : 45,011,905.79 = 7,288,680.99 : x
  2. Step 2: Convert to fraction form
    30,007,936.83/45,011,905.79 = 7,288,680.99/x
  3. Step 3: Cross multiply
    30,007,936.83x = 45,011,905.79 × 7,288,680.99
  4. Step 4: Simplify right side
    30,007,936.83x = 328,077,422,018,800.50
  5. Step 5: Solve for x
    x = 328,077,422,018,800.50/30,007,936.83
  6. Step 6: Final answer
    x = 10,933,021.62

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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.