Home / 6,688,003.20-10,032,004.80-4,162,358.40

Finding the Fourth Proportional to 6,688,003.20, 10,032,004.80 and 4,162,358.40

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Solution

The fourth proportional to 6,688,003.20, 10,032,004.80 and 4,162,358.40 is: 6,243,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,003.20 : 10,032,004.80 = 4,162,358.40 : x
  2. Step 2: Convert to fraction form
    6,688,003.20/10,032,004.80 = 4,162,358.40/x
  3. Step 3: Cross multiply
    6,688,003.20x = 10,032,004.80 × 4,162,358.40
  4. Step 4: Simplify right side
    6,688,003.20x = 41,756,799,448,120.32
  5. Step 5: Solve for x
    x = 41,756,799,448,120.32/6,688,003.20
  6. Step 6: Final answer
    x = 6,243,537.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.