Home / 8,930,704.40-13,396,056.60-6,411,280.40

Finding the Fourth Proportional to 8,930,704.40, 13,396,056.60 and 6,411,280.40

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Solution

The fourth proportional to 8,930,704.40, 13,396,056.60 and 6,411,280.40 is: 9,616,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930,704.40 : 13,396,056.60 = 6,411,280.40 : x
  2. Step 2: Convert to fraction form
    8,930,704.40/13,396,056.60 = 6,411,280.40/x
  3. Step 3: Cross multiply
    8,930,704.40x = 13,396,056.60 × 6,411,280.40
  4. Step 4: Simplify right side
    8,930,704.40x = 85,885,875,116,870.64
  5. Step 5: Solve for x
    x = 85,885,875,116,870.64/8,930,704.40
  6. Step 6: Final answer
    x = 9,616,920.60

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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.