Home / 12,808,530.90-19,112,194.53-12,026,783.10

Finding the Fourth Proportional to 12,808,530.90, 19,112,194.53 and 12,026,783.10

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Solution

The fourth proportional to 12,808,530.90, 19,112,194.53 and 12,026,783.10 is: 17,945,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,530.90 : 19,112,194.53 = 12,026,783.10 : x
  2. Step 2: Convert to fraction form
    12,808,530.90/19,112,194.53 = 12,026,783.10/x
  3. Step 3: Cross multiply
    12,808,530.90x = 19,112,194.53 × 12,026,783.10
  4. Step 4: Simplify right side
    12,808,530.90x = 229,858,218,177,316.44
  5. Step 5: Solve for x
    x = 229,858,218,177,316.44/12,808,530.90
  6. Step 6: Final answer
    x = 17,945,712.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.