Home / 28,585,385.05-39,448,080.93-15,532,643.65

Finding the Fourth Proportional to 28,585,385.05, 39,448,080.93 and 15,532,643.65

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Solution

The fourth proportional to 28,585,385.05, 39,448,080.93 and 15,532,643.65 is: 21,435,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,385.05 : 39,448,080.93 = 15,532,643.65 : x
  2. Step 2: Convert to fraction form
    28,585,385.05/39,448,080.93 = 15,532,643.65/x
  3. Step 3: Cross multiply
    28,585,385.05x = 39,448,080.93 × 15,532,643.65
  4. Step 4: Simplify right side
    28,585,385.05x = 612,732,983,564,810.12
  5. Step 5: Solve for x
    x = 612,732,983,564,810.12/28,585,385.05
  6. Step 6: Final answer
    x = 21,435,183.84

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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.