Home / 13,432,180.80-20,148,271.20-4,455,566.40

Finding the Fourth Proportional to 13,432,180.80, 20,148,271.20 and 4,455,566.40

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Solution

The fourth proportional to 13,432,180.80, 20,148,271.20 and 4,455,566.40 is: 6,683,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,180.80 : 20,148,271.20 = 4,455,566.40 : x
  2. Step 2: Convert to fraction form
    13,432,180.80/20,148,271.20 = 4,455,566.40/x
  3. Step 3: Cross multiply
    13,432,180.80x = 20,148,271.20 × 4,455,566.40
  4. Step 4: Simplify right side
    13,432,180.80x = 89,771,960,176,807.69
  5. Step 5: Solve for x
    x = 89,771,960,176,807.69/13,432,180.80
  6. Step 6: Final answer
    x = 6,683,349.60

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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.