Home / 6,688,007.20-10,032,010.80-4,984,890.40

Finding the Fourth Proportional to 6,688,007.20, 10,032,010.80 and 4,984,890.40

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Solution

The fourth proportional to 6,688,007.20, 10,032,010.80 and 4,984,890.40 is: 7,477,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,007.20 : 10,032,010.80 = 4,984,890.40 : x
  2. Step 2: Convert to fraction form
    6,688,007.20/10,032,010.80 = 4,984,890.40/x
  3. Step 3: Cross multiply
    6,688,007.20x = 10,032,010.80 × 4,984,890.40
  4. Step 4: Simplify right side
    6,688,007.20x = 50,008,474,329,616.33
  5. Step 5: Solve for x
    x = 50,008,474,329,616.33/6,688,007.20
  6. Step 6: Final answer
    x = 7,477,335.60

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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.