Home / 21,676,113.70-29,913,899.39-11,886,908.97

Finding the Fourth Proportional to 21,676,113.70, 29,913,899.39 and 11,886,908.97

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Solution

The fourth proportional to 21,676,113.70, 29,913,899.39 and 11,886,908.97 is: 16,404,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676,113.70 : 29,913,899.39 = 11,886,908.97 : x
  2. Step 2: Convert to fraction form
    21,676,113.70/29,913,899.39 = 11,886,908.97/x
  3. Step 3: Cross multiply
    21,676,113.70x = 29,913,899.39 × 11,886,908.97
  4. Step 4: Simplify right side
    21,676,113.70x = 355,583,798,927,234
  5. Step 5: Solve for x
    x = 355,583,798,927,234/21,676,113.70
  6. Step 6: Final answer
    x = 16,404,407.35

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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.