Home / 43,357,749.94-65,072,403.40-21,798,478.90

Finding the Fourth Proportional to 43,357,749.94, 65,072,403.40 and 21,798,478.90

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Solution

The fourth proportional to 43,357,749.94, 65,072,403.40 and 21,798,478.90 is: 32,715,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357,749.94 : 65,072,403.40 = 21,798,478.90 : x
  2. Step 2: Convert to fraction form
    43,357,749.94/65,072,403.40 = 21,798,478.90/x
  3. Step 3: Cross multiply
    43,357,749.94x = 65,072,403.40 × 21,798,478.90
  4. Step 4: Simplify right side
    43,357,749.94x = 1,418,479,412,487,188.25
  5. Step 5: Solve for x
    x = 1,418,479,412,487,188.25/43,357,749.94
  6. Step 6: Final answer
    x = 32,715,706.29

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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.