Home / 30,806,750.82-46,142,013.63-21,068,285.06

Finding the Fourth Proportional to 30,806,750.82, 46,142,013.63 and 21,068,285.06

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Solution

The fourth proportional to 30,806,750.82, 46,142,013.63 and 21,068,285.06 is: 31,555,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806,750.82 : 46,142,013.63 = 21,068,285.06 : x
  2. Step 2: Convert to fraction form
    30,806,750.82/46,142,013.63 = 21,068,285.06/x
  3. Step 3: Cross multiply
    30,806,750.82x = 46,142,013.63 × 21,068,285.06
  4. Step 4: Simplify right side
    30,806,750.82x = 972,133,096,168,535.38
  5. Step 5: Solve for x
    x = 972,133,096,168,535.38/30,806,750.82
  6. Step 6: Final answer
    x = 31,555,846.37

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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.