Home / 12,177,865.06-16,801,359.69-7,021,114.18

Finding the Fourth Proportional to 12,177,865.06, 16,801,359.69 and 7,021,114.18

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Solution

The fourth proportional to 12,177,865.06, 16,801,359.69 and 7,021,114.18 is: 9,686,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,865.06 : 16,801,359.69 = 7,021,114.18 : x
  2. Step 2: Convert to fraction form
    12,177,865.06/16,801,359.69 = 7,021,114.18/x
  3. Step 3: Cross multiply
    12,177,865.06x = 16,801,359.69 × 7,021,114.18
  4. Step 4: Simplify right side
    12,177,865.06x = 117,964,264,762,739.41
  5. Step 5: Solve for x
    x = 117,964,264,762,739.41/12,177,865.06
  6. Step 6: Final answer
    x = 9,686,777.13

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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.