Home / 19,144,466.80-26,429,120.10-14,783,763.76

Finding the Fourth Proportional to 19,144,466.80, 26,429,120.10 and 14,783,763.76

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Solution

The fourth proportional to 19,144,466.80, 26,429,120.10 and 14,783,763.76 is: 20,409,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,466.80 : 26,429,120.10 = 14,783,763.76 : x
  2. Step 2: Convert to fraction form
    19,144,466.80/26,429,120.10 = 14,783,763.76/x
  3. Step 3: Cross multiply
    19,144,466.80x = 26,429,120.10 × 14,783,763.76
  4. Step 4: Simplify right side
    19,144,466.80x = 390,721,867,943,067.56
  5. Step 5: Solve for x
    x = 390,721,867,943,067.56/19,144,466.80
  6. Step 6: Final answer
    x = 20,409,127.71

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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.