Home / 21,845,038.40-30,157,485.84-15,958,062.22

Finding the Fourth Proportional to 21,845,038.40, 30,157,485.84 and 15,958,062.22

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Solution

The fourth proportional to 21,845,038.40, 30,157,485.84 and 15,958,062.22 is: 22,030,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,038.40 : 30,157,485.84 = 15,958,062.22 : x
  2. Step 2: Convert to fraction form
    21,845,038.40/30,157,485.84 = 15,958,062.22/x
  3. Step 3: Cross multiply
    21,845,038.40x = 30,157,485.84 × 15,958,062.22
  4. Step 4: Simplify right side
    21,845,038.40x = 481,255,035,433,489
  5. Step 5: Solve for x
    x = 481,255,035,433,489/21,845,038.40
  6. Step 6: Final answer
    x = 22,030,404.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.