Home / 7,443,000.80-11,164,501.20-5,624,291.60

Finding the Fourth Proportional to 7,443,000.80, 11,164,501.20 and 5,624,291.60

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Solution

The fourth proportional to 7,443,000.80, 11,164,501.20 and 5,624,291.60 is: 8,436,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,000.80 : 11,164,501.20 = 5,624,291.60 : x
  2. Step 2: Convert to fraction form
    7,443,000.80/11,164,501.20 = 5,624,291.60/x
  3. Step 3: Cross multiply
    7,443,000.80x = 11,164,501.20 × 5,624,291.60
  4. Step 4: Simplify right side
    7,443,000.80x = 62,792,410,317,349.91
  5. Step 5: Solve for x
    x = 62,792,410,317,349.91/7,443,000.80
  6. Step 6: Final answer
    x = 8,436,437.40

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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.