Home / 8,826,862.74-12,186,505.06-6,998,705.70

Finding the Fourth Proportional to 8,826,862.74, 12,186,505.06 and 6,998,705.70

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Solution

The fourth proportional to 8,826,862.74, 12,186,505.06 and 6,998,705.70 is: 9,662,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826,862.74 : 12,186,505.06 = 6,998,705.70 : x
  2. Step 2: Convert to fraction form
    8,826,862.74/12,186,505.06 = 6,998,705.70/x
  3. Step 3: Cross multiply
    8,826,862.74x = 12,186,505.06 × 6,998,705.70
  4. Step 4: Simplify right side
    8,826,862.74x = 85,289,762,409,004.08
  5. Step 5: Solve for x
    x = 85,289,762,409,004.08/8,826,862.74
  6. Step 6: Final answer
    x = 9,662,522.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.