Home / 38,804,295.36-53,549,980.72-21,163,240.54

Finding the Fourth Proportional to 38,804,295.36, 53,549,980.72 and 21,163,240.54

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Solution

The fourth proportional to 38,804,295.36, 53,549,980.72 and 21,163,240.54 is: 29,205,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,804,295.36 : 53,549,980.72 = 21,163,240.54 : x
  2. Step 2: Convert to fraction form
    38,804,295.36/53,549,980.72 = 21,163,240.54/x
  3. Step 3: Cross multiply
    38,804,295.36x = 53,549,980.72 × 21,163,240.54
  4. Step 4: Simplify right side
    38,804,295.36x = 1,133,291,122,663,021.50
  5. Step 5: Solve for x
    x = 1,133,291,122,663,021.50/38,804,295.36
  6. Step 6: Final answer
    x = 29,205,300.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.