Home / 19,146,950.40-26,369,042.56-18,728,912.64

Finding the Fourth Proportional to 19,146,950.40, 26,369,042.56 and 18,728,912.64

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Solution

The fourth proportional to 19,146,950.40, 26,369,042.56 and 18,728,912.64 is: 25,793,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,950.40 : 26,369,042.56 = 18,728,912.64 : x
  2. Step 2: Convert to fraction form
    19,146,950.40/26,369,042.56 = 18,728,912.64/x
  3. Step 3: Cross multiply
    19,146,950.40x = 26,369,042.56 × 18,728,912.64
  4. Step 4: Simplify right side
    19,146,950.40x = 493,863,494,506,681.94
  5. Step 5: Solve for x
    x = 493,863,494,506,681.94/19,146,950.40
  6. Step 6: Final answer
    x = 25,793,323.96

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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.