Home / 19,989,450.64-27,571,411.78-13,796,981.96

Finding the Fourth Proportional to 19,989,450.64, 27,571,411.78 and 13,796,981.96

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Solution

The fourth proportional to 19,989,450.64, 27,571,411.78 and 13,796,981.96 is: 19,030,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,450.64 : 27,571,411.78 = 13,796,981.96 : x
  2. Step 2: Convert to fraction form
    19,989,450.64/27,571,411.78 = 13,796,981.96/x
  3. Step 3: Cross multiply
    19,989,450.64x = 27,571,411.78 × 13,796,981.96
  4. Step 4: Simplify right side
    19,989,450.64x = 380,402,270,940,391.50
  5. Step 5: Solve for x
    x = 380,402,270,940,391.50/19,989,450.64
  6. Step 6: Final answer
    x = 19,030,151.34

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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.