Home / 43,841,747.80-65,762,621.70-21,124,941.40

Finding the Fourth Proportional to 43,841,747.80, 65,762,621.70 and 21,124,941.40

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Solution

The fourth proportional to 43,841,747.80, 65,762,621.70 and 21,124,941.40 is: 31,687,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841,747.80 : 65,762,621.70 = 21,124,941.40 : x
  2. Step 2: Convert to fraction form
    43,841,747.80/65,762,621.70 = 21,124,941.40/x
  3. Step 3: Cross multiply
    43,841,747.80x = 65,762,621.70 × 21,124,941.40
  4. Step 4: Simplify right side
    43,841,747.80x = 1,389,231,529,722,868.25
  5. Step 5: Solve for x
    x = 1,389,231,529,722,868.25/43,841,747.80
  6. Step 6: Final answer
    x = 31,687,412.10

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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.