Home / 40,506,855.13-55,899,527.83-21,922,011.75

Finding the Fourth Proportional to 40,506,855.13, 55,899,527.83 and 21,922,011.75

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Solution

The fourth proportional to 40,506,855.13, 55,899,527.83 and 21,922,011.75 is: 30,252,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506,855.13 : 55,899,527.83 = 21,922,011.75 : x
  2. Step 2: Convert to fraction form
    40,506,855.13/55,899,527.83 = 21,922,011.75/x
  3. Step 3: Cross multiply
    40,506,855.13x = 55,899,527.83 × 21,922,011.75
  4. Step 4: Simplify right side
    40,506,855.13x = 1,225,430,106,063,530.25
  5. Step 5: Solve for x
    x = 1,225,430,106,063,530.25/40,506,855.13
  6. Step 6: Final answer
    x = 30,252,412.88

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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.