Home / 5,697,861.40-8,535,732.90-5,299,730.20

Finding the Fourth Proportional to 5,697,861.40, 8,535,732.90 and 5,299,730.20

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Solution

The fourth proportional to 5,697,861.40, 8,535,732.90 and 5,299,730.20 is: 7,939,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697,861.40 : 8,535,732.90 = 5,299,730.20 : x
  2. Step 2: Convert to fraction form
    5,697,861.40/8,535,732.90 = 5,299,730.20/x
  3. Step 3: Cross multiply
    5,697,861.40x = 8,535,732.90 × 5,299,730.20
  4. Step 4: Simplify right side
    5,697,861.40x = 45,237,081,429,263.59
  5. Step 5: Solve for x
    x = 45,237,081,429,263.59/5,697,861.40
  6. Step 6: Final answer
    x = 7,939,308.85

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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.