Home / 19,775,149.60-29,684,842.80-18,475,693.60

Finding the Fourth Proportional to 19,775,149.60, 29,684,842.80 and 18,475,693.60

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Solution

The fourth proportional to 19,775,149.60, 29,684,842.80 and 18,475,693.60 is: 27,734,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775,149.60 : 29,684,842.80 = 18,475,693.60 : x
  2. Step 2: Convert to fraction form
    19,775,149.60/29,684,842.80 = 18,475,693.60/x
  3. Step 3: Cross multiply
    19,775,149.60x = 29,684,842.80 × 18,475,693.60
  4. Step 4: Simplify right side
    19,775,149.60x = 548,448,060,136,966.12
  5. Step 5: Solve for x
    x = 548,448,060,136,966.12/19,775,149.60
  6. Step 6: Final answer
    x = 27,734,205.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.