Home / 28,682,632.98-39,581,814.38-15,629,851.53

Finding the Fourth Proportional to 28,682,632.98, 39,581,814.38 and 15,629,851.53

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Solution

The fourth proportional to 28,682,632.98, 39,581,814.38 and 15,629,851.53 is: 21,569,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682,632.98 : 39,581,814.38 = 15,629,851.53 : x
  2. Step 2: Convert to fraction form
    28,682,632.98/39,581,814.38 = 15,629,851.53/x
  3. Step 3: Cross multiply
    28,682,632.98x = 39,581,814.38 × 15,629,851.53
  4. Step 4: Simplify right side
    28,682,632.98x = 618,657,881,969,269.75
  5. Step 5: Solve for x
    x = 618,657,881,969,269.75/28,682,632.98
  6. Step 6: Final answer
    x = 21,569,075.70

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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.