Home / 19,718,642.96-27,207,061.80-11,453,795

Finding the Fourth Proportional to 19,718,642.96, 27,207,061.80 and 11,453,795

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Solution

The fourth proportional to 19,718,642.96, 27,207,061.80 and 11,453,795 is: 15,803,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718,642.96 : 27,207,061.80 = 11,453,795 : x
  2. Step 2: Convert to fraction form
    19,718,642.96/27,207,061.80 = 11,453,795/x
  3. Step 3: Cross multiply
    19,718,642.96x = 27,207,061.80 × 11,453,795
  4. Step 4: Simplify right side
    19,718,642.96x = 311,624,108,409,531
  5. Step 5: Solve for x
    x = 311,624,108,409,531/19,718,642.96
  6. Step 6: Final answer
    x = 15,803,527.10

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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.