Home / 6,876,998.40-10,315,497.60-3,688,352.40

Finding the Fourth Proportional to 6,876,998.40, 10,315,497.60 and 3,688,352.40

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Solution

The fourth proportional to 6,876,998.40, 10,315,497.60 and 3,688,352.40 is: 5,532,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,998.40 : 10,315,497.60 = 3,688,352.40 : x
  2. Step 2: Convert to fraction form
    6,876,998.40/10,315,497.60 = 3,688,352.40/x
  3. Step 3: Cross multiply
    6,876,998.40x = 10,315,497.60 × 3,688,352.40
  4. Step 4: Simplify right side
    6,876,998.40x = 38,047,190,330,154.23
  5. Step 5: Solve for x
    x = 38,047,190,330,154.23/6,876,998.40
  6. Step 6: Final answer
    x = 5,532,528.60

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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.