Home / 8,043,686.90-12,065,530.35-6,626,510.90

Finding the Fourth Proportional to 8,043,686.90, 12,065,530.35 and 6,626,510.90

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Solution

The fourth proportional to 8,043,686.90, 12,065,530.35 and 6,626,510.90 is: 9,939,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043,686.90 : 12,065,530.35 = 6,626,510.90 : x
  2. Step 2: Convert to fraction form
    8,043,686.90/12,065,530.35 = 6,626,510.90/x
  3. Step 3: Cross multiply
    8,043,686.90x = 12,065,530.35 × 6,626,510.90
  4. Step 4: Simplify right side
    8,043,686.90x = 79,952,368,378,555.81
  5. Step 5: Solve for x
    x = 79,952,368,378,555.81/8,043,686.90
  6. Step 6: Final answer
    x = 9,939,766.35

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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.