Home / 30,998,858.76-46,475,125.38-21,386,809.08

Finding the Fourth Proportional to 30,998,858.76, 46,475,125.38 and 21,386,809.08

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Solution

The fourth proportional to 30,998,858.76, 46,475,125.38 and 21,386,809.08 is: 32,064,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998,858.76 : 46,475,125.38 = 21,386,809.08 : x
  2. Step 2: Convert to fraction form
    30,998,858.76/46,475,125.38 = 21,386,809.08/x
  3. Step 3: Cross multiply
    30,998,858.76x = 46,475,125.38 × 21,386,809.08
  4. Step 4: Simplify right side
    30,998,858.76x = 993,954,633,471,122.38
  5. Step 5: Solve for x
    x = 993,954,633,471,122.38/30,998,858.76
  6. Step 6: Final answer
    x = 32,064,233.11

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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.