Home / 20,668,973.07-30,927,633.48-17,248,816.92

Finding the Fourth Proportional to 20,668,973.07, 30,927,633.48 and 17,248,816.92

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Solution

The fourth proportional to 20,668,973.07, 30,927,633.48 and 17,248,816.92 is: 25,809,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668,973.07 : 30,927,633.48 = 17,248,816.92 : x
  2. Step 2: Convert to fraction form
    20,668,973.07/30,927,633.48 = 17,248,816.92/x
  3. Step 3: Cross multiply
    20,668,973.07x = 30,927,633.48 × 17,248,816.92
  4. Step 4: Simplify right side
    20,668,973.07x = 533,465,087,665,382.56
  5. Step 5: Solve for x
    x = 533,465,087,665,382.56/20,668,973.07
  6. Step 6: Final answer
    x = 25,809,946.43

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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.