Home / 20,900,236.01-28,842,392.51-11,607,804.39

Finding the Fourth Proportional to 20,900,236.01, 28,842,392.51 and 11,607,804.39

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Solution

The fourth proportional to 20,900,236.01, 28,842,392.51 and 11,607,804.39 is: 16,018,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,236.01 : 28,842,392.51 = 11,607,804.39 : x
  2. Step 2: Convert to fraction form
    20,900,236.01/28,842,392.51 = 11,607,804.39/x
  3. Step 3: Cross multiply
    20,900,236.01x = 28,842,392.51 × 11,607,804.39
  4. Step 4: Simplify right side
    20,900,236.01x = 334,796,850,351,352.56
  5. Step 5: Solve for x
    x = 334,796,850,351,352.56/20,900,236.01
  6. Step 6: Final answer
    x = 16,018,807.17

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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.