Home / 12,516,457.16-18,768,800.30-4,843,715.36

Finding the Fourth Proportional to 12,516,457.16, 18,768,800.30 and 4,843,715.36

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Solution

The fourth proportional to 12,516,457.16, 18,768,800.30 and 4,843,715.36 is: 7,263,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,457.16 : 18,768,800.30 = 4,843,715.36 : x
  2. Step 2: Convert to fraction form
    12,516,457.16/18,768,800.30 = 4,843,715.36/x
  3. Step 3: Cross multiply
    12,516,457.16x = 18,768,800.30 × 4,843,715.36
  4. Step 4: Simplify right side
    12,516,457.16x = 90,910,726,211,065.94
  5. Step 5: Solve for x
    x = 90,910,726,211,065.94/12,516,457.16
  6. Step 6: Final answer
    x = 7,263,295.44

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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.