Home / 9,072,893.10-13,609,339.65-5,489,712.30

Finding the Fourth Proportional to 9,072,893.10, 13,609,339.65 and 5,489,712.30

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Solution

The fourth proportional to 9,072,893.10, 13,609,339.65 and 5,489,712.30 is: 8,234,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,893.10 : 13,609,339.65 = 5,489,712.30 : x
  2. Step 2: Convert to fraction form
    9,072,893.10/13,609,339.65 = 5,489,712.30/x
  3. Step 3: Cross multiply
    9,072,893.10x = 13,609,339.65 × 5,489,712.30
  4. Step 4: Simplify right side
    9,072,893.10x = 74,711,359,271,482.69
  5. Step 5: Solve for x
    x = 74,711,359,271,482.69/9,072,893.10
  6. Step 6: Final answer
    x = 8,234,568.45

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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.