Home / 28,096,603.60-42,144,905.40-18,018,907.60

Finding the Fourth Proportional to 28,096,603.60, 42,144,905.40 and 18,018,907.60

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Solution

The fourth proportional to 28,096,603.60, 42,144,905.40 and 18,018,907.60 is: 27,028,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096,603.60 : 42,144,905.40 = 18,018,907.60 : x
  2. Step 2: Convert to fraction form
    28,096,603.60/42,144,905.40 = 18,018,907.60/x
  3. Step 3: Cross multiply
    28,096,603.60x = 42,144,905.40 × 18,018,907.60
  4. Step 4: Simplify right side
    28,096,603.60x = 759,405,156,213,341.12
  5. Step 5: Solve for x
    x = 759,405,156,213,341.12/28,096,603.60
  6. Step 6: Final answer
    x = 27,028,361.40

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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.