Home / 12,310,886.51-16,989,902.96-6,804,142.93

Finding the Fourth Proportional to 12,310,886.51, 16,989,902.96 and 6,804,142.93

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Solution

The fourth proportional to 12,310,886.51, 16,989,902.96 and 6,804,142.93 is: 9,390,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,886.51 : 16,989,902.96 = 6,804,142.93 : x
  2. Step 2: Convert to fraction form
    12,310,886.51/16,989,902.96 = 6,804,142.93/x
  3. Step 3: Cross multiply
    12,310,886.51x = 16,989,902.96 × 6,804,142.93
  4. Step 4: Simplify right side
    12,310,886.51x = 115,601,728,106,670.08
  5. Step 5: Solve for x
    x = 115,601,728,106,670.08/12,310,886.51
  6. Step 6: Final answer
    x = 9,390,203.38

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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.