Home / 7,800,516.40-11,700,774.60-5,249,599.60

Finding the Fourth Proportional to 7,800,516.40, 11,700,774.60 and 5,249,599.60

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Solution

The fourth proportional to 7,800,516.40, 11,700,774.60 and 5,249,599.60 is: 7,874,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,516.40 : 11,700,774.60 = 5,249,599.60 : x
  2. Step 2: Convert to fraction form
    7,800,516.40/11,700,774.60 = 5,249,599.60/x
  3. Step 3: Cross multiply
    7,800,516.40x = 11,700,774.60 × 5,249,599.60
  4. Step 4: Simplify right side
    7,800,516.40x = 61,424,381,659,850.16
  5. Step 5: Solve for x
    x = 61,424,381,659,850.16/7,800,516.40
  6. Step 6: Final answer
    x = 7,874,399.40

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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.