Home / 15,373,213.60-21,214,661.52-8,497,518.88

Finding the Fourth Proportional to 15,373,213.60, 21,214,661.52 and 8,497,518.88

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Solution

The fourth proportional to 15,373,213.60, 21,214,661.52 and 8,497,518.88 is: 11,726,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,213.60 : 21,214,661.52 = 8,497,518.88 : x
  2. Step 2: Convert to fraction form
    15,373,213.60/21,214,661.52 = 8,497,518.88/x
  3. Step 3: Cross multiply
    15,373,213.60x = 21,214,661.52 × 8,497,518.88
  4. Step 4: Simplify right side
    15,373,213.60x = 180,271,986,799,009.50
  5. Step 5: Solve for x
    x = 180,271,986,799,009.50/15,373,213.60
  6. Step 6: Final answer
    x = 11,726,369.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.