Home / 10,207,139.60-15,310,709.40-9,262,355.60

Finding the Fourth Proportional to 10,207,139.60, 15,310,709.40 and 9,262,355.60

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Solution

The fourth proportional to 10,207,139.60, 15,310,709.40 and 9,262,355.60 is: 13,893,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,139.60 : 15,310,709.40 = 9,262,355.60 : x
  2. Step 2: Convert to fraction form
    10,207,139.60/15,310,709.40 = 9,262,355.60/x
  3. Step 3: Cross multiply
    10,207,139.60x = 15,310,709.40 × 9,262,355.60
  4. Step 4: Simplify right side
    10,207,139.60x = 141,813,234,951,062.62
  5. Step 5: Solve for x
    x = 141,813,234,951,062.62/10,207,139.60
  6. Step 6: Final answer
    x = 13,893,533.40

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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.