Home / 18,917,828.12-26,106,483.87-10,660,542.81

Finding the Fourth Proportional to 18,917,828.12, 26,106,483.87 and 10,660,542.81

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Solution

The fourth proportional to 18,917,828.12, 26,106,483.87 and 10,660,542.81 is: 14,711,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,828.12 : 26,106,483.87 = 10,660,542.81 : x
  2. Step 2: Convert to fraction form
    18,917,828.12/26,106,483.87 = 10,660,542.81/x
  3. Step 3: Cross multiply
    18,917,828.12x = 26,106,483.87 × 10,660,542.81
  4. Step 4: Simplify right side
    18,917,828.12x = 278,309,288,914,709.50
  5. Step 5: Solve for x
    x = 278,309,288,914,709.50/18,917,828.12
  6. Step 6: Final answer
    x = 14,711,482.06

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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.