Home / 38,847,615.43-53,610,978.15-21,207,458.58

Finding the Fourth Proportional to 38,847,615.43, 53,610,978.15 and 21,207,458.58

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Solution

The fourth proportional to 38,847,615.43, 53,610,978.15 and 21,207,458.58 is: 29,266,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847,615.43 : 53,610,978.15 = 21,207,458.58 : x
  2. Step 2: Convert to fraction form
    38,847,615.43/53,610,978.15 = 21,207,458.58/x
  3. Step 3: Cross multiply
    38,847,615.43x = 53,610,978.15 × 21,207,458.58
  4. Step 4: Simplify right side
    38,847,615.43x = 1,136,952,598,549,410
  5. Step 5: Solve for x
    x = 1,136,952,598,549,410/38,847,615.43
  6. Step 6: Final answer
    x = 29,266,985.53

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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.