Home / 20,636,259-28,507,175.63-16,533,534.48

Finding the Fourth Proportional to 20,636,259, 28,507,175.63 and 16,533,534.48

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Solution

The fourth proportional to 20,636,259, 28,507,175.63 and 16,533,534.48 is: 22,839,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636,259 : 28,507,175.63 = 16,533,534.48 : x
  2. Step 2: Convert to fraction form
    20,636,259/28,507,175.63 = 16,533,534.48/x
  3. Step 3: Cross multiply
    20,636,259x = 28,507,175.63 × 16,533,534.48
  4. Step 4: Simplify right side
    20,636,259x = 471,324,371,123,353.06
  5. Step 5: Solve for x
    x = 471,324,371,123,353.06/20,636,259
  6. Step 6: Final answer
    x = 22,839,622.78

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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.