Home / 13,885,528.74-20,815,532.37-4,785,464.94

Finding the Fourth Proportional to 13,885,528.74, 20,815,532.37 and 4,785,464.94

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Solution

The fourth proportional to 13,885,528.74, 20,815,532.37 and 4,785,464.94 is: 7,173,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,528.74 : 20,815,532.37 = 4,785,464.94 : x
  2. Step 2: Convert to fraction form
    13,885,528.74/20,815,532.37 = 4,785,464.94/x
  3. Step 3: Cross multiply
    13,885,528.74x = 20,815,532.37 × 4,785,464.94
  4. Step 4: Simplify right side
    13,885,528.74x = 99,612,000,364,070.12
  5. Step 5: Solve for x
    x = 99,612,000,364,070.12/13,885,528.74
  6. Step 6: Final answer
    x = 7,173,799.59

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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.