Home / 12,969,324.61-19,457,397.58-4,660,966.79

Finding the Fourth Proportional to 12,969,324.61, 19,457,397.58 and 4,660,966.79

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Solution

The fourth proportional to 12,969,324.61, 19,457,397.58 and 4,660,966.79 is: 6,992,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,324.61 : 19,457,397.58 = 4,660,966.79 : x
  2. Step 2: Convert to fraction form
    12,969,324.61/19,457,397.58 = 4,660,966.79/x
  3. Step 3: Cross multiply
    12,969,324.61x = 19,457,397.58 × 4,660,966.79
  4. Step 4: Simplify right side
    12,969,324.61x = 90,690,283,940,206.36
  5. Step 5: Solve for x
    x = 90,690,283,940,206.36/12,969,324.61
  6. Step 6: Final answer
    x = 6,992,675.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.