Home / 28,585,475.17-39,448,205.64-15,532,734.04

Finding the Fourth Proportional to 28,585,475.17, 39,448,205.64 and 15,532,734.04

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Solution

The fourth proportional to 28,585,475.17, 39,448,205.64 and 15,532,734.04 is: 21,435,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,475.17 : 39,448,205.64 = 15,532,734.04 : x
  2. Step 2: Convert to fraction form
    28,585,475.17/39,448,205.64 = 15,532,734.04/x
  3. Step 3: Cross multiply
    28,585,475.17x = 39,448,205.64 × 15,532,734.04
  4. Step 4: Simplify right side
    28,585,475.17x = 612,738,486,462,727.50
  5. Step 5: Solve for x
    x = 612,738,486,462,727.50/28,585,475.17
  6. Step 6: Final answer
    x = 21,435,308.77

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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.