Home / 38,382,207.04-52,966,665.48-20,978,676.84

Finding the Fourth Proportional to 38,382,207.04, 52,966,665.48 and 20,978,676.84

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Solution

The fourth proportional to 38,382,207.04, 52,966,665.48 and 20,978,676.84 is: 28,950,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382,207.04 : 52,966,665.48 = 20,978,676.84 : x
  2. Step 2: Convert to fraction form
    38,382,207.04/52,966,665.48 = 20,978,676.84/x
  3. Step 3: Cross multiply
    38,382,207.04x = 52,966,665.48 × 20,978,676.84
  4. Step 4: Simplify right side
    38,382,207.04x = 1,111,170,558,674,598.50
  5. Step 5: Solve for x
    x = 1,111,170,558,674,598.50/38,382,207.04
  6. Step 6: Final answer
    x = 28,950,147.59

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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.