Home / 12,994,042.37-17,931,008.16-7,192,478.12

Finding the Fourth Proportional to 12,994,042.37, 17,931,008.16 and 7,192,478.12

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Solution

The fourth proportional to 12,994,042.37, 17,931,008.16 and 7,192,478.12 is: 9,925,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,042.37 : 17,931,008.16 = 7,192,478.12 : x
  2. Step 2: Convert to fraction form
    12,994,042.37/17,931,008.16 = 7,192,478.12/x
  3. Step 3: Cross multiply
    12,994,042.37x = 17,931,008.16 × 7,192,478.12
  4. Step 4: Simplify right side
    12,994,042.37x = 128,968,383,770,686.42
  5. Step 5: Solve for x
    x = 128,968,383,770,686.42/12,994,042.37
  6. Step 6: Final answer
    x = 9,925,193.42

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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.