Home / 6,688,010.40-10,032,015.60-2,200,432.80

Finding the Fourth Proportional to 6,688,010.40, 10,032,015.60 and 2,200,432.80

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Solution

The fourth proportional to 6,688,010.40, 10,032,015.60 and 2,200,432.80 is: 3,300,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,010.40 : 10,032,015.60 = 2,200,432.80 : x
  2. Step 2: Convert to fraction form
    6,688,010.40/10,032,015.60 = 2,200,432.80/x
  3. Step 3: Cross multiply
    6,688,010.40x = 10,032,015.60 × 2,200,432.80
  4. Step 4: Simplify right side
    6,688,010.40x = 22,074,776,176,351.68
  5. Step 5: Solve for x
    x = 22,074,776,176,351.68/6,688,010.40
  6. Step 6: Final answer
    x = 3,300,649.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.