Home / 8,991,200.10-13,486,800.15-6,599,715.60

Finding the Fourth Proportional to 8,991,200.10, 13,486,800.15 and 6,599,715.60

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Solution

The fourth proportional to 8,991,200.10, 13,486,800.15 and 6,599,715.60 is: 9,899,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,200.10 : 13,486,800.15 = 6,599,715.60 : x
  2. Step 2: Convert to fraction form
    8,991,200.10/13,486,800.15 = 6,599,715.60/x
  3. Step 3: Cross multiply
    8,991,200.10x = 13,486,800.15 × 6,599,715.60
  4. Step 4: Simplify right side
    8,991,200.10x = 89,009,045,344,037.34
  5. Step 5: Solve for x
    x = 89,009,045,344,037.34/8,991,200.10
  6. Step 6: Final answer
    x = 9,899,573.40

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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.