Home / 38,588,533.36-53,252,799.96-21,186,482.80

Finding the Fourth Proportional to 38,588,533.36, 53,252,799.96 and 21,186,482.80

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Solution

The fourth proportional to 38,588,533.36, 53,252,799.96 and 21,186,482.80 is: 29,237,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588,533.36 : 53,252,799.96 = 21,186,482.80 : x
  2. Step 2: Convert to fraction form
    38,588,533.36/53,252,799.96 = 21,186,482.80/x
  3. Step 3: Cross multiply
    38,588,533.36x = 53,252,799.96 × 21,186,482.80
  4. Step 4: Simplify right side
    38,588,533.36x = 1,128,239,530,404,380.75
  5. Step 5: Solve for x
    x = 1,128,239,530,404,380.75/38,588,533.36
  6. Step 6: Final answer
    x = 29,237,688.82

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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.