Home / 8,304,940.80-12,457,411.20-5,099,673.60

Finding the Fourth Proportional to 8,304,940.80, 12,457,411.20 and 5,099,673.60

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Solution

The fourth proportional to 8,304,940.80, 12,457,411.20 and 5,099,673.60 is: 7,649,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,940.80 : 12,457,411.20 = 5,099,673.60 : x
  2. Step 2: Convert to fraction form
    8,304,940.80/12,457,411.20 = 5,099,673.60/x
  3. Step 3: Cross multiply
    8,304,940.80x = 12,457,411.20 × 5,099,673.60
  4. Step 4: Simplify right side
    8,304,940.80x = 63,528,731,020,984.31
  5. Step 5: Solve for x
    x = 63,528,731,020,984.31/8,304,940.80
  6. Step 6: Final answer
    x = 7,649,510.40

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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.