Home / 56,012,983.20-84,019,474.80-21,922,999.20

Finding the Fourth Proportional to 56,012,983.20, 84,019,474.80 and 21,922,999.20

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Solution

The fourth proportional to 56,012,983.20, 84,019,474.80 and 21,922,999.20 is: 32,884,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,983.20 : 84,019,474.80 = 21,922,999.20 : x
  2. Step 2: Convert to fraction form
    56,012,983.20/84,019,474.80 = 21,922,999.20/x
  3. Step 3: Cross multiply
    56,012,983.20x = 84,019,474.80 × 21,922,999.20
  4. Step 4: Simplify right side
    56,012,983.20x = 1,841,958,878,824,820
  5. Step 5: Solve for x
    x = 1,841,958,878,824,820/56,012,983.20
  6. Step 6: Final answer
    x = 32,884,498.80

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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.