Home / 17,778,858.10-26,668,287.15-13,299,882.10

Finding the Fourth Proportional to 17,778,858.10, 26,668,287.15 and 13,299,882.10

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Solution

The fourth proportional to 17,778,858.10, 26,668,287.15 and 13,299,882.10 is: 19,949,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,858.10 : 26,668,287.15 = 13,299,882.10 : x
  2. Step 2: Convert to fraction form
    17,778,858.10/26,668,287.15 = 13,299,882.10/x
  3. Step 3: Cross multiply
    17,778,858.10x = 26,668,287.15 × 13,299,882.10
  4. Step 4: Simplify right side
    17,778,858.10x = 354,685,074,903,945
  5. Step 5: Solve for x
    x = 354,685,074,903,945/17,778,858.10
  6. Step 6: Final answer
    x = 19,949,823.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.