Home / 28,687,723.85-39,587,906.43-15,634,703.04

Finding the Fourth Proportional to 28,687,723.85, 39,587,906.43 and 15,634,703.04

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Solution

The fourth proportional to 28,687,723.85, 39,587,906.43 and 15,634,703.04 is: 21,575,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687,723.85 : 39,587,906.43 = 15,634,703.04 : x
  2. Step 2: Convert to fraction form
    28,687,723.85/39,587,906.43 = 15,634,703.04/x
  3. Step 3: Cross multiply
    28,687,723.85x = 39,587,906.43 × 15,634,703.04
  4. Step 4: Simplify right side
    28,687,723.85x = 618,945,161,008,356.50
  5. Step 5: Solve for x
    x = 618,945,161,008,356.50/28,687,723.85
  6. Step 6: Final answer
    x = 21,575,262.10

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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.