Home / 5,429,073.80-8,143,610.70-4,153,615.40

Finding the Fourth Proportional to 5,429,073.80, 8,143,610.70 and 4,153,615.40

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Solution

The fourth proportional to 5,429,073.80, 8,143,610.70 and 4,153,615.40 is: 6,230,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,073.80 : 8,143,610.70 = 4,153,615.40 : x
  2. Step 2: Convert to fraction form
    5,429,073.80/8,143,610.70 = 4,153,615.40/x
  3. Step 3: Cross multiply
    5,429,073.80x = 8,143,610.70 × 4,153,615.40
  4. Step 4: Simplify right side
    5,429,073.80x = 33,825,426,815,124.78
  5. Step 5: Solve for x
    x = 33,825,426,815,124.78/5,429,073.80
  6. Step 6: Final answer
    x = 6,230,423.10

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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.