Home / 19,159,048.86-26,474,072.40-13,642,846.98

Finding the Fourth Proportional to 19,159,048.86, 26,474,072.40 and 13,642,846.98

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Solution

The fourth proportional to 19,159,048.86, 26,474,072.40 and 13,642,846.98 is: 18,851,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,048.86 : 26,474,072.40 = 13,642,846.98 : x
  2. Step 2: Convert to fraction form
    19,159,048.86/26,474,072.40 = 13,642,846.98/x
  3. Step 3: Cross multiply
    19,159,048.86x = 26,474,072.40 × 13,642,846.98
  4. Step 4: Simplify right side
    19,159,048.86x = 361,181,718,690,641.31
  5. Step 5: Solve for x
    x = 361,181,718,690,641.31/19,159,048.86
  6. Step 6: Final answer
    x = 18,851,756.23

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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.