Home / 21,928,926.06-30,262,157.37-12,139,533.75

Finding the Fourth Proportional to 21,928,926.06, 30,262,157.37 and 12,139,533.75

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Solution

The fourth proportional to 21,928,926.06, 30,262,157.37 and 12,139,533.75 is: 16,752,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,926.06 : 30,262,157.37 = 12,139,533.75 : x
  2. Step 2: Convert to fraction form
    21,928,926.06/30,262,157.37 = 12,139,533.75/x
  3. Step 3: Cross multiply
    21,928,926.06x = 30,262,157.37 × 12,139,533.75
  4. Step 4: Simplify right side
    21,928,926.06x = 367,368,480,740,926.25
  5. Step 5: Solve for x
    x = 367,368,480,740,926.25/21,928,926.06
  6. Step 6: Final answer
    x = 16,752,689.11

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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.