Home / 14,255,107.92-19,688,286.48-9,663,457.68

Finding the Fourth Proportional to 14,255,107.92, 19,688,286.48 and 9,663,457.68

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Solution

The fourth proportional to 14,255,107.92, 19,688,286.48 and 9,663,457.68 is: 13,346,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,107.92 : 19,688,286.48 = 9,663,457.68 : x
  2. Step 2: Convert to fraction form
    14,255,107.92/19,688,286.48 = 9,663,457.68/x
  3. Step 3: Cross multiply
    14,255,107.92x = 19,688,286.48 × 9,663,457.68
  4. Step 4: Simplify right side
    14,255,107.92x = 190,256,923,191,196.16
  5. Step 5: Solve for x
    x = 190,256,923,191,196.16/14,255,107.92
  6. Step 6: Final answer
    x = 13,346,578.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.