Home / 19,617,038.45-27,071,487.69-12,171,931.41

Finding the Fourth Proportional to 19,617,038.45, 27,071,487.69 and 12,171,931.41

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Solution

The fourth proportional to 19,617,038.45, 27,071,487.69 and 12,171,931.41 is: 16,797,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617,038.45 : 27,071,487.69 = 12,171,931.41 : x
  2. Step 2: Convert to fraction form
    19,617,038.45/27,071,487.69 = 12,171,931.41/x
  3. Step 3: Cross multiply
    19,617,038.45x = 27,071,487.69 × 12,171,931.41
  4. Step 4: Simplify right side
    19,617,038.45x = 329,512,291,329,339.38
  5. Step 5: Solve for x
    x = 329,512,291,329,339.38/19,617,038.45
  6. Step 6: Final answer
    x = 16,797,249.61

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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.