Home / 28,714,284.42-39,626,184.69-15,661,543.14

Finding the Fourth Proportional to 28,714,284.42, 39,626,184.69 and 15,661,543.14

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Solution

The fourth proportional to 28,714,284.42, 39,626,184.69 and 15,661,543.14 is: 21,613,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,284.42 : 39,626,184.69 = 15,661,543.14 : x
  2. Step 2: Convert to fraction form
    28,714,284.42/39,626,184.69 = 15,661,543.14/x
  3. Step 3: Cross multiply
    28,714,284.42x = 39,626,184.69 × 15,661,543.14
  4. Step 4: Simplify right side
    28,714,284.42x = 620,607,200,996,042.50
  5. Step 5: Solve for x
    x = 620,607,200,996,042.50/28,714,284.42
  6. Step 6: Final answer
    x = 21,613,187.08

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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.