Home / 56,012,912.70-84,019,369.05-21,922,928.70

Finding the Fourth Proportional to 56,012,912.70, 84,019,369.05 and 21,922,928.70

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Solution

The fourth proportional to 56,012,912.70, 84,019,369.05 and 21,922,928.70 is: 32,884,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,912.70 : 84,019,369.05 = 21,922,928.70 : x
  2. Step 2: Convert to fraction form
    56,012,912.70/84,019,369.05 = 21,922,928.70/x
  3. Step 3: Cross multiply
    56,012,912.70x = 84,019,369.05 × 21,922,928.70
  4. Step 4: Simplify right side
    56,012,912.70x = 1,841,950,637,102,136.50
  5. Step 5: Solve for x
    x = 1,841,950,637,102,136.50/56,012,912.70
  6. Step 6: Final answer
    x = 32,884,393.05

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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.