Home / 31,185,675.78-46,774,939.73-8,158,832.42

Finding the Fourth Proportional to 31,185,675.78, 46,774,939.73 and 8,158,832.42

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Solution

The fourth proportional to 31,185,675.78, 46,774,939.73 and 8,158,832.42 is: 12,237,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,675.78 : 46,774,939.73 = 8,158,832.42 : x
  2. Step 2: Convert to fraction form
    31,185,675.78/46,774,939.73 = 8,158,832.42/x
  3. Step 3: Cross multiply
    31,185,675.78x = 46,774,939.73 × 8,158,832.42
  4. Step 4: Simplify right side
    31,185,675.78x = 381,628,894,438,001.19
  5. Step 5: Solve for x
    x = 381,628,894,438,001.19/31,185,675.78
  6. Step 6: Final answer
    x = 12,237,313.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.