Home / 8,393,429.10-12,590,143.65-5,842,512.30

Finding the Fourth Proportional to 8,393,429.10, 12,590,143.65 and 5,842,512.30

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Solution

The fourth proportional to 8,393,429.10, 12,590,143.65 and 5,842,512.30 is: 8,763,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,429.10 : 12,590,143.65 = 5,842,512.30 : x
  2. Step 2: Convert to fraction form
    8,393,429.10/12,590,143.65 = 5,842,512.30/x
  3. Step 3: Cross multiply
    8,393,429.10x = 12,590,143.65 × 5,842,512.30
  4. Step 4: Simplify right side
    8,393,429.10x = 73,558,069,133,891.89
  5. Step 5: Solve for x
    x = 73,558,069,133,891.89/8,393,429.10
  6. Step 6: Final answer
    x = 8,763,768.45

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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.