Home / 19,421,053.70-26,799,145.99-10,718,665.81

Finding the Fourth Proportional to 19,421,053.70, 26,799,145.99 and 10,718,665.81

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Solution

The fourth proportional to 19,421,053.70, 26,799,145.99 and 10,718,665.81 is: 14,790,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,053.70 : 26,799,145.99 = 10,718,665.81 : x
  2. Step 2: Convert to fraction form
    19,421,053.70/26,799,145.99 = 10,718,665.81/x
  3. Step 3: Cross multiply
    19,421,053.70x = 26,799,145.99 × 10,718,665.81
  4. Step 4: Simplify right side
    19,421,053.70x = 287,251,089,860,211.62
  5. Step 5: Solve for x
    x = 287,251,089,860,211.62/19,421,053.70
  6. Step 6: Final answer
    x = 14,790,705.71

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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.