Home / 38,080,306.40-52,550,885.04-20,676,685.28

Finding the Fourth Proportional to 38,080,306.40, 52,550,885.04 and 20,676,685.28

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Solution

The fourth proportional to 38,080,306.40, 52,550,885.04 and 20,676,685.28 is: 28,533,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,306.40 : 52,550,885.04 = 20,676,685.28 : x
  2. Step 2: Convert to fraction form
    38,080,306.40/52,550,885.04 = 20,676,685.28/x
  3. Step 3: Cross multiply
    38,080,306.40x = 52,550,885.04 × 20,676,685.28
  4. Step 4: Simplify right side
    38,080,306.40x = 1,086,578,111,157,540.25
  5. Step 5: Solve for x
    x = 1,086,578,111,157,540.25/38,080,306.40
  6. Step 6: Final answer
    x = 28,533,859.46

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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.