Home / 21,907,774.16-30,230,402.20-12,116,662.64

Finding the Fourth Proportional to 21,907,774.16, 30,230,402.20 and 12,116,662.64

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Solution

The fourth proportional to 21,907,774.16, 30,230,402.20 and 12,116,662.64 is: 16,719,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,774.16 : 30,230,402.20 = 12,116,662.64 : x
  2. Step 2: Convert to fraction form
    21,907,774.16/30,230,402.20 = 12,116,662.64/x
  3. Step 3: Cross multiply
    21,907,774.16x = 30,230,402.20 × 12,116,662.64
  4. Step 4: Simplify right side
    21,907,774.16x = 366,291,584,928,913.81
  5. Step 5: Solve for x
    x = 366,291,584,928,913.81/21,907,774.16
  6. Step 6: Final answer
    x = 16,719,707.91

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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.