Home / 12,877,536.56-17,771,141.92-7,076,319.80

Finding the Fourth Proportional to 12,877,536.56, 17,771,141.92 and 7,076,319.80

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Solution

The fourth proportional to 12,877,536.56, 17,771,141.92 and 7,076,319.80 is: 9,765,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,536.56 : 17,771,141.92 = 7,076,319.80 : x
  2. Step 2: Convert to fraction form
    12,877,536.56/17,771,141.92 = 7,076,319.80/x
  3. Step 3: Cross multiply
    12,877,536.56x = 17,771,141.92 × 7,076,319.80
  4. Step 4: Simplify right side
    12,877,536.56x = 125,754,283,437,106.03
  5. Step 5: Solve for x
    x = 125,754,283,437,106.03/12,877,536.56
  6. Step 6: Final answer
    x = 9,765,399.06

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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.