Home / 18,945,779.64-26,145,140.34-10,685,816.38

Finding the Fourth Proportional to 18,945,779.64, 26,145,140.34 and 10,685,816.38

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Solution

The fourth proportional to 18,945,779.64, 26,145,140.34 and 10,685,816.38 is: 14,746,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945,779.64 : 26,145,140.34 = 10,685,816.38 : x
  2. Step 2: Convert to fraction form
    18,945,779.64/26,145,140.34 = 10,685,816.38/x
  3. Step 3: Cross multiply
    18,945,779.64x = 26,145,140.34 × 10,685,816.38
  4. Step 4: Simplify right side
    18,945,779.64x = 279,382,168,909,763.94
  5. Step 5: Solve for x
    x = 279,382,168,909,763.94/18,945,779.64
  6. Step 6: Final answer
    x = 14,746,406.54

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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.