Home / 12,639,385-17,442,362.82-6,916,249

Finding the Fourth Proportional to 12,639,385, 17,442,362.82 and 6,916,249

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Solution

The fourth proportional to 12,639,385, 17,442,362.82 and 6,916,249 is: 9,544,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,385 : 17,442,362.82 = 6,916,249 : x
  2. Step 2: Convert to fraction form
    12,639,385/17,442,362.82 = 6,916,249/x
  3. Step 3: Cross multiply
    12,639,385x = 17,442,362.82 × 6,916,249
  4. Step 4: Simplify right side
    12,639,385x = 120,635,724,411,462.19
  5. Step 5: Solve for x
    x = 120,635,724,411,462.19/12,639,385
  6. Step 6: Final answer
    x = 9,544,429.92

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1.5x scale

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.