Home / 19,172,852.57-26,459,189.49-11,339,080.07

Finding the Fourth Proportional to 19,172,852.57, 26,459,189.49 and 11,339,080.07

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Solution

The fourth proportional to 19,172,852.57, 26,459,189.49 and 11,339,080.07 is: 15,648,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,852.57 : 26,459,189.49 = 11,339,080.07 : x
  2. Step 2: Convert to fraction form
    19,172,852.57/26,459,189.49 = 11,339,080.07/x
  3. Step 3: Cross multiply
    19,172,852.57x = 26,459,189.49 × 11,339,080.07
  4. Step 4: Simplify right side
    19,172,852.57x = 300,022,868,082,116.50
  5. Step 5: Solve for x
    x = 300,022,868,082,116.50/19,172,852.57
  6. Step 6: Final answer
    x = 15,648,316.65

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1.5x scale

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.