Home / 29,122,652.80-43,683,979.20-8,925,270.40

Finding the Fourth Proportional to 29,122,652.80, 43,683,979.20 and 8,925,270.40

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Solution

The fourth proportional to 29,122,652.80, 43,683,979.20 and 8,925,270.40 is: 13,387,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122,652.80 : 43,683,979.20 = 8,925,270.40 : x
  2. Step 2: Convert to fraction form
    29,122,652.80/43,683,979.20 = 8,925,270.40/x
  3. Step 3: Cross multiply
    29,122,652.80x = 43,683,979.20 × 8,925,270.40
  4. Step 4: Simplify right side
    29,122,652.80x = 389,891,326,507,975.75
  5. Step 5: Solve for x
    x = 389,891,326,507,975.75/29,122,652.80
  6. Step 6: Final answer
    x = 13,387,905.60

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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.