Home / 28,274,913.01-39,019,536.39-15,885,528.85

Finding the Fourth Proportional to 28,274,913.01, 39,019,536.39 and 15,885,528.85

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Solution

The fourth proportional to 28,274,913.01, 39,019,536.39 and 15,885,528.85 is: 21,922,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,913.01 : 39,019,536.39 = 15,885,528.85 : x
  2. Step 2: Convert to fraction form
    28,274,913.01/39,019,536.39 = 15,885,528.85/x
  3. Step 3: Cross multiply
    28,274,913.01x = 39,019,536.39 × 15,885,528.85
  4. Step 4: Simplify right side
    28,274,913.01x = 619,845,971,036,969.88
  5. Step 5: Solve for x
    x = 619,845,971,036,969.88/28,274,913.01
  6. Step 6: Final answer
    x = 21,922,117.70

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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.