Home / 12,746,731.85-19,125,749.57-6,680,021.19

Finding the Fourth Proportional to 12,746,731.85, 19,125,749.57 and 6,680,021.19

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Solution

The fourth proportional to 12,746,731.85, 19,125,749.57 and 6,680,021.19 is: 10,022,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746,731.85 : 19,125,749.57 = 6,680,021.19 : x
  2. Step 2: Convert to fraction form
    12,746,731.85/19,125,749.57 = 6,680,021.19/x
  3. Step 3: Cross multiply
    12,746,731.85x = 19,125,749.57 × 6,680,021.19
  4. Step 4: Simplify right side
    12,746,731.85x = 127,760,412,402,233.39
  5. Step 5: Solve for x
    x = 127,760,412,402,233.39/12,746,731.85
  6. Step 6: Final answer
    x = 10,022,993.65

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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.