Home / 21,966,107.58-30,313,475.30-12,548,146.10

Finding the Fourth Proportional to 21,966,107.58, 30,313,475.30 and 12,548,146.10

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Solution

The fourth proportional to 21,966,107.58, 30,313,475.30 and 12,548,146.10 is: 17,316,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966,107.58 : 30,313,475.30 = 12,548,146.10 : x
  2. Step 2: Convert to fraction form
    21,966,107.58/30,313,475.30 = 12,548,146.10/x
  3. Step 3: Cross multiply
    21,966,107.58x = 30,313,475.30 × 12,548,146.10
  4. Step 4: Simplify right side
    21,966,107.58x = 380,377,916,863,141.31
  5. Step 5: Solve for x
    x = 380,377,916,863,141.31/21,966,107.58
  6. Step 6: Final answer
    x = 17,316,582.63

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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.