Home / 40,506,856.64-55,899,529.91-21,922,013.25

Finding the Fourth Proportional to 40,506,856.64, 55,899,529.91 and 21,922,013.25

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Solution

The fourth proportional to 40,506,856.64, 55,899,529.91 and 21,922,013.25 is: 30,252,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506,856.64 : 55,899,529.91 = 21,922,013.25 : x
  2. Step 2: Convert to fraction form
    40,506,856.64/55,899,529.91 = 21,922,013.25/x
  3. Step 3: Cross multiply
    40,506,856.64x = 55,899,529.91 × 21,922,013.25
  4. Step 4: Simplify right side
    40,506,856.64x = 1,225,430,235,246,181.25
  5. Step 5: Solve for x
    x = 1,225,430,235,246,181.25/40,506,856.64
  6. Step 6: Final answer
    x = 30,252,414.95

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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.