Home / 38,080,308.40-52,550,887.80-20,676,687.28

Finding the Fourth Proportional to 38,080,308.40, 52,550,887.80 and 20,676,687.28

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Solution

The fourth proportional to 38,080,308.40, 52,550,887.80 and 20,676,687.28 is: 28,533,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,308.40 : 52,550,887.80 = 20,676,687.28 : x
  2. Step 2: Convert to fraction form
    38,080,308.40/52,550,887.80 = 20,676,687.28/x
  3. Step 3: Cross multiply
    38,080,308.40x = 52,550,887.80 × 20,676,687.28
  4. Step 4: Simplify right side
    38,080,308.40x = 1,086,578,273,326,967.12
  5. Step 5: Solve for x
    x = 1,086,578,273,326,967.12/38,080,308.40
  6. Step 6: Final answer
    x = 28,533,862.22

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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.