Home / 28,416,118.20-42,603,182.10-15,651,036.60

Finding the Fourth Proportional to 28,416,118.20, 42,603,182.10 and 15,651,036.60

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Solution

The fourth proportional to 28,416,118.20, 42,603,182.10 and 15,651,036.60 is: 23,464,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,118.20 : 42,603,182.10 = 15,651,036.60 : x
  2. Step 2: Convert to fraction form
    28,416,118.20/42,603,182.10 = 15,651,036.60/x
  3. Step 3: Cross multiply
    28,416,118.20x = 42,603,182.10 × 15,651,036.60
  4. Step 4: Simplify right side
    28,416,118.20x = 666,783,962,323,564.88
  5. Step 5: Solve for x
    x = 666,783,962,323,564.88/28,416,118.20
  6. Step 6: Final answer
    x = 23,464,991.16

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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.