Home / 8,763,750.90-13,145,626.35-6,637,986.90

Finding the Fourth Proportional to 8,763,750.90, 13,145,626.35 and 6,637,986.90

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Solution

The fourth proportional to 8,763,750.90, 13,145,626.35 and 6,637,986.90 is: 9,956,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763,750.90 : 13,145,626.35 = 6,637,986.90 : x
  2. Step 2: Convert to fraction form
    8,763,750.90/13,145,626.35 = 6,637,986.90/x
  3. Step 3: Cross multiply
    8,763,750.90x = 13,145,626.35 × 6,637,986.90
  4. Step 4: Simplify right side
    8,763,750.90x = 87,260,495,503,594.81
  5. Step 5: Solve for x
    x = 87,260,495,503,594.81/8,763,750.90
  6. Step 6: Final answer
    x = 9,956,980.35

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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.