Home / 18,675,230.40-28,018,094.40-9,090,921.60

Finding the Fourth Proportional to 18,675,230.40, 28,018,094.40 and 9,090,921.60

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Solution

The fourth proportional to 18,675,230.40, 28,018,094.40 and 9,090,921.60 is: 13,638,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675,230.40 : 28,018,094.40 = 9,090,921.60 : x
  2. Step 2: Convert to fraction form
    18,675,230.40/28,018,094.40 = 9,090,921.60/x
  3. Step 3: Cross multiply
    18,675,230.40x = 28,018,094.40 × 9,090,921.60
  4. Step 4: Simplify right side
    18,675,230.40x = 254,710,299,571,799.03
  5. Step 5: Solve for x
    x = 254,710,299,571,799.03/18,675,230.40
  6. Step 6: Final answer
    x = 13,638,937.47

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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.