Home / 30,871,767.92-46,312,687.49-12,671,078.24

Finding the Fourth Proportional to 30,871,767.92, 46,312,687.49 and 12,671,078.24

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Solution

The fourth proportional to 30,871,767.92, 46,312,687.49 and 12,671,078.24 is: 19,008,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,767.92 : 46,312,687.49 = 12,671,078.24 : x
  2. Step 2: Convert to fraction form
    30,871,767.92/46,312,687.49 = 12,671,078.24/x
  3. Step 3: Cross multiply
    30,871,767.92x = 46,312,687.49 × 12,671,078.24
  4. Step 4: Simplify right side
    30,871,767.92x = 586,831,686,395,540.38
  5. Step 5: Solve for x
    x = 586,831,686,395,540.38/30,871,767.92
  6. Step 6: Final answer
    x = 19,008,684.18

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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.