Home / 11,979,383.40-16,534,486.80-6,825,784.32

Finding the Fourth Proportional to 11,979,383.40, 16,534,486.80 and 6,825,784.32

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Solution

The fourth proportional to 11,979,383.40, 16,534,486.80 and 6,825,784.32 is: 9,421,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979,383.40 : 16,534,486.80 = 6,825,784.32 : x
  2. Step 2: Convert to fraction form
    11,979,383.40/16,534,486.80 = 6,825,784.32/x
  3. Step 3: Cross multiply
    11,979,383.40x = 16,534,486.80 × 6,825,784.32
  4. Step 4: Simplify right side
    11,979,383.40x = 112,860,840,738,686.98
  5. Step 5: Solve for x
    x = 112,860,840,738,686.98/11,979,383.40
  6. Step 6: Final answer
    x = 9,421,256.25

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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.