Home / 38,677,459.20-58,060,886.40-20,761,555.20

Finding the Fourth Proportional to 38,677,459.20, 58,060,886.40 and 20,761,555.20

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Solution

The fourth proportional to 38,677,459.20, 58,060,886.40 and 20,761,555.20 is: 31,166,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677,459.20 : 58,060,886.40 = 20,761,555.20 : x
  2. Step 2: Convert to fraction form
    38,677,459.20/58,060,886.40 = 20,761,555.20/x
  3. Step 3: Cross multiply
    38,677,459.20x = 58,060,886.40 × 20,761,555.20
  4. Step 4: Simplify right side
    38,677,459.20x = 1,205,434,297,954,529.25
  5. Step 5: Solve for x
    x = 1,205,434,297,954,529.25/38,677,459.20
  6. Step 6: Final answer
    x = 31,166,325.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.