Home / 13,809,357.52-19,065,079.07-12,277,225.51

Finding the Fourth Proportional to 13,809,357.52, 19,065,079.07 and 12,277,225.51

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Solution

The fourth proportional to 13,809,357.52, 19,065,079.07 and 12,277,225.51 is: 16,949,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809,357.52 : 19,065,079.07 = 12,277,225.51 : x
  2. Step 2: Convert to fraction form
    13,809,357.52/19,065,079.07 = 12,277,225.51/x
  3. Step 3: Cross multiply
    13,809,357.52x = 19,065,079.07 × 12,277,225.51
  4. Step 4: Simplify right side
    13,809,357.52x = 234,066,275,108,371.06
  5. Step 5: Solve for x
    x = 234,066,275,108,371.06/13,809,357.52
  6. Step 6: Final answer
    x = 16,949,830.92

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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.