Home / 8,360,039.70-12,540,059.55-5,000,807.70

Finding the Fourth Proportional to 8,360,039.70, 12,540,059.55 and 5,000,807.70

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Solution

The fourth proportional to 8,360,039.70, 12,540,059.55 and 5,000,807.70 is: 7,501,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360,039.70 : 12,540,059.55 = 5,000,807.70 : x
  2. Step 2: Convert to fraction form
    8,360,039.70/12,540,059.55 = 5,000,807.70/x
  3. Step 3: Cross multiply
    8,360,039.70x = 12,540,059.55 × 5,000,807.70
  4. Step 4: Simplify right side
    8,360,039.70x = 62,710,426,356,098.54
  5. Step 5: Solve for x
    x = 62,710,426,356,098.54/8,360,039.70
  6. Step 6: Final answer
    x = 7,501,211.55

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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.