Home / 11,830,015.80-17,745,023.70-7,791,064.20

Finding the Fourth Proportional to 11,830,015.80, 17,745,023.70 and 7,791,064.20

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Solution

The fourth proportional to 11,830,015.80, 17,745,023.70 and 7,791,064.20 is: 11,686,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,015.80 : 17,745,023.70 = 7,791,064.20 : x
  2. Step 2: Convert to fraction form
    11,830,015.80/17,745,023.70 = 7,791,064.20/x
  3. Step 3: Cross multiply
    11,830,015.80x = 17,745,023.70 × 7,791,064.20
  4. Step 4: Simplify right side
    11,830,015.80x = 138,252,618,877,221.53
  5. Step 5: Solve for x
    x = 138,252,618,877,221.53/11,830,015.80
  6. Step 6: Final answer
    x = 11,686,596.30

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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.