Home / 38,881,738.80-53,655,759.72-21,477,709.44

Finding the Fourth Proportional to 38,881,738.80, 53,655,759.72 and 21,477,709.44

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Solution

The fourth proportional to 38,881,738.80, 53,655,759.72 and 21,477,709.44 is: 29,638,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881,738.80 : 53,655,759.72 = 21,477,709.44 : x
  2. Step 2: Convert to fraction form
    38,881,738.80/53,655,759.72 = 21,477,709.44/x
  3. Step 3: Cross multiply
    38,881,738.80x = 53,655,759.72 × 21,477,709.44
  4. Step 4: Simplify right side
    38,881,738.80x = 1,152,402,817,048,615.75
  5. Step 5: Solve for x
    x = 1,152,402,817,048,615.75/38,881,738.80
  6. Step 6: Final answer
    x = 29,638,664.64

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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.