Home / 14,850,495-20,492,651.78-8,235,424.68

Finding the Fourth Proportional to 14,850,495, 20,492,651.78 and 8,235,424.68

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Solution

The fourth proportional to 14,850,495, 20,492,651.78 and 8,235,424.68 is: 11,364,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850,495 : 20,492,651.78 = 8,235,424.68 : x
  2. Step 2: Convert to fraction form
    14,850,495/20,492,651.78 = 8,235,424.68/x
  3. Step 3: Cross multiply
    14,850,495x = 20,492,651.78 × 8,235,424.68
  4. Step 4: Simplify right side
    14,850,495x = 168,765,690,186,480.78
  5. Step 5: Solve for x
    x = 168,765,690,186,480.78/14,850,495
  6. Step 6: Final answer
    x = 11,364,314.13

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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.