Home / 12,875,573.85-17,763,897.41-7,979,009.34

Finding the Fourth Proportional to 12,875,573.85, 17,763,897.41 and 7,979,009.34

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Solution

The fourth proportional to 12,875,573.85, 17,763,897.41 and 7,979,009.34 is: 11,008,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,573.85 : 17,763,897.41 = 7,979,009.34 : x
  2. Step 2: Convert to fraction form
    12,875,573.85/17,763,897.41 = 7,979,009.34/x
  3. Step 3: Cross multiply
    12,875,573.85x = 17,763,897.41 × 7,979,009.34
  4. Step 4: Simplify right side
    12,875,573.85x = 141,738,303,349,191.81
  5. Step 5: Solve for x
    x = 141,738,303,349,191.81/12,875,573.85
  6. Step 6: Final answer
    x = 11,008,309.61

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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.