Home / 15,776,814.90-21,771,562.77-8,901,936.66

Finding the Fourth Proportional to 15,776,814.90, 21,771,562.77 and 8,901,936.66

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Solution

The fourth proportional to 15,776,814.90, 21,771,562.77 and 8,901,936.66 is: 12,284,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,814.90 : 21,771,562.77 = 8,901,936.66 : x
  2. Step 2: Convert to fraction form
    15,776,814.90/21,771,562.77 = 8,901,936.66/x
  3. Step 3: Cross multiply
    15,776,814.90x = 21,771,562.77 × 8,901,936.66
  4. Step 4: Simplify right side
    15,776,814.90x = 193,809,072,767,754.16
  5. Step 5: Solve for x
    x = 193,809,072,767,754.16/15,776,814.90
  6. Step 6: Final answer
    x = 12,284,423.31

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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.