Home / 13,745,320.82-20,617,715.88-5,547,746.52

Finding the Fourth Proportional to 13,745,320.82, 20,617,715.88 and 5,547,746.52

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Solution

The fourth proportional to 13,745,320.82, 20,617,715.88 and 5,547,746.52 is: 8,321,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,320.82 : 20,617,715.88 = 5,547,746.52 : x
  2. Step 2: Convert to fraction form
    13,745,320.82/20,617,715.88 = 5,547,746.52/x
  3. Step 3: Cross multiply
    13,745,320.82x = 20,617,715.88 × 5,547,746.52
  4. Step 4: Simplify right side
    13,745,320.82x = 114,381,861,470,635.44
  5. Step 5: Solve for x
    x = 114,381,861,470,635.44/13,745,320.82
  6. Step 6: Final answer
    x = 8,321,512.68

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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.