Home / 30,804,094.20-46,206,141.30-21,248,945.40

Finding the Fourth Proportional to 30,804,094.20, 46,206,141.30 and 21,248,945.40

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Solution

The fourth proportional to 30,804,094.20, 46,206,141.30 and 21,248,945.40 is: 31,873,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,094.20 : 46,206,141.30 = 21,248,945.40 : x
  2. Step 2: Convert to fraction form
    30,804,094.20/46,206,141.30 = 21,248,945.40/x
  3. Step 3: Cross multiply
    30,804,094.20x = 46,206,141.30 × 21,248,945.40
  4. Step 4: Simplify right side
    30,804,094.20x = 981,831,773,628,384.88
  5. Step 5: Solve for x
    x = 981,831,773,628,384.88/30,804,094.20
  6. Step 6: Final answer
    x = 31,873,418.10

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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.