Home / 12,778,113.72-19,155,973.14-4,805,536.44

Finding the Fourth Proportional to 12,778,113.72, 19,155,973.14 and 4,805,536.44

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Solution

The fourth proportional to 12,778,113.72, 19,155,973.14 and 4,805,536.44 is: 7,204,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,113.72 : 19,155,973.14 = 4,805,536.44 : x
  2. Step 2: Convert to fraction form
    12,778,113.72/19,155,973.14 = 4,805,536.44/x
  3. Step 3: Cross multiply
    12,778,113.72x = 19,155,973.14 × 4,805,536.44
  4. Step 4: Simplify right side
    12,778,113.72x = 92,054,726,967,931.23
  5. Step 5: Solve for x
    x = 92,054,726,967,931.23/12,778,113.72
  6. Step 6: Final answer
    x = 7,204,093.58

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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.