Home / 36,911,011.84-50,938,653.28-21,230,011.28

Finding the Fourth Proportional to 36,911,011.84, 50,938,653.28 and 21,230,011.28

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Solution

The fourth proportional to 36,911,011.84, 50,938,653.28 and 21,230,011.28 is: 29,298,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911,011.84 : 50,938,653.28 = 21,230,011.28 : x
  2. Step 2: Convert to fraction form
    36,911,011.84/50,938,653.28 = 21,230,011.28/x
  3. Step 3: Cross multiply
    36,911,011.84x = 50,938,653.28 × 21,230,011.28
  4. Step 4: Simplify right side
    36,911,011.84x = 1,081,428,183,722,409.12
  5. Step 5: Solve for x
    x = 1,081,428,183,722,409.12/36,911,011.84
  6. Step 6: Final answer
    x = 29,298,253.55

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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.