Home / 9,220,512.70-13,830,769.05-6,527,878.30

Finding the Fourth Proportional to 9,220,512.70, 13,830,769.05 and 6,527,878.30

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Solution

The fourth proportional to 9,220,512.70, 13,830,769.05 and 6,527,878.30 is: 9,791,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,512.70 : 13,830,769.05 = 6,527,878.30 : x
  2. Step 2: Convert to fraction form
    9,220,512.70/13,830,769.05 = 6,527,878.30/x
  3. Step 3: Cross multiply
    9,220,512.70x = 13,830,769.05 × 6,527,878.30
  4. Step 4: Simplify right side
    9,220,512.70x = 90,285,577,153,806.62
  5. Step 5: Solve for x
    x = 90,285,577,153,806.62/9,220,512.70
  6. Step 6: Final answer
    x = 9,791,817.45

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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.