Home / 8,638,701.60-11,922,732.72-5,332,920.96

Finding the Fourth Proportional to 8,638,701.60, 11,922,732.72 and 5,332,920.96

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Solution

The fourth proportional to 8,638,701.60, 11,922,732.72 and 5,332,920.96 is: 7,360,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,701.60 : 11,922,732.72 = 5,332,920.96 : x
  2. Step 2: Convert to fraction form
    8,638,701.60/11,922,732.72 = 5,332,920.96/x
  3. Step 3: Cross multiply
    8,638,701.60x = 11,922,732.72 × 5,332,920.96
  4. Step 4: Simplify right side
    8,638,701.60x = 63,582,991,222,965.81
  5. Step 5: Solve for x
    x = 63,582,991,222,965.81/8,638,701.60
  6. Step 6: Final answer
    x = 7,360,248.58

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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.