Home / 18,382,534.90-27,573,802.35-11,580,090.10

Finding the Fourth Proportional to 18,382,534.90, 27,573,802.35 and 11,580,090.10

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Solution

The fourth proportional to 18,382,534.90, 27,573,802.35 and 11,580,090.10 is: 17,370,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,534.90 : 27,573,802.35 = 11,580,090.10 : x
  2. Step 2: Convert to fraction form
    18,382,534.90/27,573,802.35 = 11,580,090.10/x
  3. Step 3: Cross multiply
    18,382,534.90x = 27,573,802.35 × 11,580,090.10
  4. Step 4: Simplify right side
    18,382,534.90x = 319,307,115,612,591.75
  5. Step 5: Solve for x
    x = 319,307,115,612,591.75/18,382,534.90
  6. Step 6: Final answer
    x = 17,370,135.15

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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.