Home / 40,506,858.76-55,899,532.86-21,922,015.36

Finding the Fourth Proportional to 40,506,858.76, 55,899,532.86 and 21,922,015.36

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Solution

The fourth proportional to 40,506,858.76, 55,899,532.86 and 21,922,015.36 is: 30,252,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506,858.76 : 55,899,532.86 = 21,922,015.36 : x
  2. Step 2: Convert to fraction form
    40,506,858.76/55,899,532.86 = 21,922,015.36/x
  3. Step 3: Cross multiply
    40,506,858.76x = 55,899,532.86 × 21,922,015.36
  4. Step 4: Simplify right side
    40,506,858.76x = 1,225,430,417,973,744.75
  5. Step 5: Solve for x
    x = 1,225,430,417,973,744.75/40,506,858.76
  6. Step 6: Final answer
    x = 30,252,417.87

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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.