Home / 38,882,826.64-53,658,751.08-21,478,811.32

Finding the Fourth Proportional to 38,882,826.64, 53,658,751.08 and 21,478,811.32

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Solution

The fourth proportional to 38,882,826.64, 53,658,751.08 and 21,478,811.32 is: 29,641,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882,826.64 : 53,658,751.08 = 21,478,811.32 : x
  2. Step 2: Convert to fraction form
    38,882,826.64/53,658,751.08 = 21,478,811.32/x
  3. Step 3: Cross multiply
    38,882,826.64x = 53,658,751.08 × 21,478,811.32
  4. Step 4: Simplify right side
    38,882,826.64x = 1,152,526,190,114,166.25
  5. Step 5: Solve for x
    x = 1,152,526,190,114,166.25/38,882,826.64
  6. Step 6: Final answer
    x = 29,641,008.38

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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.