Home / 7,098,779.70-10,648,169.55-6,678,875.70

Finding the Fourth Proportional to 7,098,779.70, 10,648,169.55 and 6,678,875.70

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Solution

The fourth proportional to 7,098,779.70, 10,648,169.55 and 6,678,875.70 is: 10,018,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,779.70 : 10,648,169.55 = 6,678,875.70 : x
  2. Step 2: Convert to fraction form
    7,098,779.70/10,648,169.55 = 6,678,875.70/x
  3. Step 3: Cross multiply
    7,098,779.70x = 10,648,169.55 × 6,678,875.70
  4. Step 4: Simplify right side
    7,098,779.70x = 71,117,800,856,974.94
  5. Step 5: Solve for x
    x = 71,117,800,856,974.94/7,098,779.70
  6. Step 6: Final answer
    x = 10,018,313.55

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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.