Home / 19,521,640.40-29,282,460.60-5,338,216.40

Finding the Fourth Proportional to 19,521,640.40, 29,282,460.60 and 5,338,216.40

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Solution

The fourth proportional to 19,521,640.40, 29,282,460.60 and 5,338,216.40 is: 8,007,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,640.40 : 29,282,460.60 = 5,338,216.40 : x
  2. Step 2: Convert to fraction form
    19,521,640.40/29,282,460.60 = 5,338,216.40/x
  3. Step 3: Cross multiply
    19,521,640.40x = 29,282,460.60 × 5,338,216.40
  4. Step 4: Simplify right side
    19,521,640.40x = 156,316,111,407,273.84
  5. Step 5: Solve for x
    x = 156,316,111,407,273.84/19,521,640.40
  6. Step 6: Final answer
    x = 8,007,324.60

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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.