Home / 27,742,698.45-38,284,869.92-15,519,555.45

Finding the Fourth Proportional to 27,742,698.45, 38,284,869.92 and 15,519,555.45

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Solution

The fourth proportional to 27,742,698.45, 38,284,869.92 and 15,519,555.45 is: 21,416,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742,698.45 : 38,284,869.92 = 15,519,555.45 : x
  2. Step 2: Convert to fraction form
    27,742,698.45/38,284,869.92 = 15,519,555.45/x
  3. Step 3: Cross multiply
    27,742,698.45x = 38,284,869.92 × 15,519,555.45
  4. Step 4: Simplify right side
    27,742,698.45x = 594,164,161,541,879.25
  5. Step 5: Solve for x
    x = 594,164,161,541,879.25/27,742,698.45
  6. Step 6: Final answer
    x = 21,416,956.34

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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.