Home / 47,556,803.90-65,628,398.86-28,971,943.35

Finding the Fourth Proportional to 47,556,803.90, 65,628,398.86 and 28,971,943.35

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Solution

The fourth proportional to 47,556,803.90, 65,628,398.86 and 28,971,943.35 is: 39,981,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,556,803.90 : 65,628,398.86 = 28,971,943.35 : x
  2. Step 2: Convert to fraction form
    47,556,803.90/65,628,398.86 = 28,971,943.35/x
  3. Step 3: Cross multiply
    47,556,803.90x = 65,628,398.86 × 28,971,943.35
  4. Step 4: Simplify right side
    47,556,803.90x = 1,901,382,253,850,694.75
  5. Step 5: Solve for x
    x = 1,901,382,253,850,694.75/47,556,803.90
  6. Step 6: Final answer
    x = 39,981,287.60

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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.