Home / 12,710,701.57-19,067,848.65-4,072,782.39

Finding the Fourth Proportional to 12,710,701.57, 19,067,848.65 and 4,072,782.39

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Solution

The fourth proportional to 12,710,701.57, 19,067,848.65 and 4,072,782.39 is: 6,109,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,701.57 : 19,067,848.65 = 4,072,782.39 : x
  2. Step 2: Convert to fraction form
    12,710,701.57/19,067,848.65 = 4,072,782.39/x
  3. Step 3: Cross multiply
    12,710,701.57x = 19,067,848.65 × 4,072,782.39
  4. Step 4: Simplify right side
    12,710,701.57x = 77,659,198,181,632.33
  5. Step 5: Solve for x
    x = 77,659,198,181,632.33/12,710,701.57
  6. Step 6: Final answer
    x = 6,109,749.16

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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.