Home / 29,120,938.80-43,683,481.80-8,926,148.40

Finding the Fourth Proportional to 29,120,938.80, 43,683,481.80 and 8,926,148.40

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Solution

The fourth proportional to 29,120,938.80, 43,683,481.80 and 8,926,148.40 is: 13,389,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,938.80 : 43,683,481.80 = 8,926,148.40 : x
  2. Step 2: Convert to fraction form
    29,120,938.80/43,683,481.80 = 8,926,148.40/x
  3. Step 3: Cross multiply
    29,120,938.80x = 43,683,481.80 × 8,926,148.40
  4. Step 4: Simplify right side
    29,120,938.80x = 389,925,241,175,499.12
  5. Step 5: Solve for x
    x = 389,925,241,175,499.12/29,120,938.80
  6. Step 6: Final answer
    x = 13,389,858.20

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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.