Home / 40,506,856.13-55,899,529.21-21,922,012.75

Finding the Fourth Proportional to 40,506,856.13, 55,899,529.21 and 21,922,012.75

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Solution

The fourth proportional to 40,506,856.13, 55,899,529.21 and 21,922,012.75 is: 30,252,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506,856.13 : 55,899,529.21 = 21,922,012.75 : x
  2. Step 2: Convert to fraction form
    40,506,856.13/55,899,529.21 = 21,922,012.75/x
  3. Step 3: Cross multiply
    40,506,856.13x = 55,899,529.21 × 21,922,012.75
  4. Step 4: Simplify right side
    40,506,856.13x = 1,225,430,192,060,617.50
  5. Step 5: Solve for x
    x = 1,225,430,192,060,617.50/40,506,856.13
  6. Step 6: Final answer
    x = 30,252,414.26

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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.