Home / 9,016,381.35-12,442,649.36-4,886,420.45

Finding the Fourth Proportional to 9,016,381.35, 12,442,649.36 and 4,886,420.45

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Solution

The fourth proportional to 9,016,381.35, 12,442,649.36 and 4,886,420.45 is: 6,743,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016,381.35 : 12,442,649.36 = 4,886,420.45 : x
  2. Step 2: Convert to fraction form
    9,016,381.35/12,442,649.36 = 4,886,420.45/x
  3. Step 3: Cross multiply
    9,016,381.35x = 12,442,649.36 × 4,886,420.45
  4. Step 4: Simplify right side
    9,016,381.35x = 60,800,016,198,238.07
  5. Step 5: Solve for x
    x = 60,800,016,198,238.07/9,016,381.35
  6. Step 6: Final answer
    x = 6,743,283.57

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Double scale
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Similar ratio
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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.