Home / 18,628,368.90-27,940,588.02-4,982,892.30

Finding the Fourth Proportional to 18,628,368.90, 27,940,588.02 and 4,982,892.30

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Solution

The fourth proportional to 18,628,368.90, 27,940,588.02 and 4,982,892.30 is: 7,473,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628,368.90 : 27,940,588.02 = 4,982,892.30 : x
  2. Step 2: Convert to fraction form
    18,628,368.90/27,940,588.02 = 4,982,892.30/x
  3. Step 3: Cross multiply
    18,628,368.90x = 27,940,588.02 × 4,982,892.30
  4. Step 4: Simplify right side
    18,628,368.90x = 139,224,940,902,330.23
  5. Step 5: Solve for x
    x = 139,224,940,902,330.23/18,628,368.90
  6. Step 6: Final answer
    x = 7,473,812.74

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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.