Home / 19,289,904.42-26,642,161.24-12,703,933.74

Finding the Fourth Proportional to 19,289,904.42, 26,642,161.24 and 12,703,933.74

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Solution

The fourth proportional to 19,289,904.42, 26,642,161.24 and 12,703,933.74 is: 17,545,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289,904.42 : 26,642,161.24 = 12,703,933.74 : x
  2. Step 2: Convert to fraction form
    19,289,904.42/26,642,161.24 = 12,703,933.74/x
  3. Step 3: Cross multiply
    19,289,904.42x = 26,642,161.24 × 12,703,933.74
  4. Step 4: Simplify right side
    19,289,904.42x = 338,460,251,083,356.25
  5. Step 5: Solve for x
    x = 338,460,251,083,356.25/19,289,904.42
  6. Step 6: Final answer
    x = 17,545,978.65

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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.