Home / 20,533,412.22-28,336,109.43-11,366,054.97

Finding the Fourth Proportional to 20,533,412.22, 28,336,109.43 and 11,366,054.97

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Solution

The fourth proportional to 20,533,412.22, 28,336,109.43 and 11,366,054.97 is: 15,685,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,412.22 : 28,336,109.43 = 11,366,054.97 : x
  2. Step 2: Convert to fraction form
    20,533,412.22/28,336,109.43 = 11,366,054.97/x
  3. Step 3: Cross multiply
    20,533,412.22x = 28,336,109.43 × 11,366,054.97
  4. Step 4: Simplify right side
    20,533,412.22x = 322,069,777,417,315.38
  5. Step 5: Solve for x
    x = 322,069,777,417,315.38/20,533,412.22
  6. Step 6: Final answer
    x = 15,685,156.17

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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.