Home / 22,312,221.58-30,790,865.71-12,522,665.77

Finding the Fourth Proportional to 22,312,221.58, 30,790,865.71 and 12,522,665.77

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Solution

The fourth proportional to 22,312,221.58, 30,790,865.71 and 12,522,665.77 is: 17,281,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312,221.58 : 30,790,865.71 = 12,522,665.77 : x
  2. Step 2: Convert to fraction form
    22,312,221.58/30,790,865.71 = 12,522,665.77/x
  3. Step 3: Cross multiply
    22,312,221.58x = 30,790,865.71 × 12,522,665.77
  4. Step 4: Simplify right side
    22,312,221.58x = 385,583,720,055,283.75
  5. Step 5: Solve for x
    x = 385,583,720,055,283.75/22,312,221.58
  6. Step 6: Final answer
    x = 17,281,278.72

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1.5x scale

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.