Home / 13,900,864.80-20,836,090.80-4,920,794.40

Finding the Fourth Proportional to 13,900,864.80, 20,836,090.80 and 4,920,794.40

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Solution

The fourth proportional to 13,900,864.80, 20,836,090.80 and 4,920,794.40 is: 7,375,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,864.80 : 20,836,090.80 = 4,920,794.40 : x
  2. Step 2: Convert to fraction form
    13,900,864.80/20,836,090.80 = 4,920,794.40/x
  3. Step 3: Cross multiply
    13,900,864.80x = 20,836,090.80 × 4,920,794.40
  4. Step 4: Simplify right side
    13,900,864.80x = 102,530,118,926,531.53
  5. Step 5: Solve for x
    x = 102,530,118,926,531.53/13,900,864.80
  6. Step 6: Final answer
    x = 7,375,808.66

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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.