Home / 30,871,893.84-46,312,876.31-12,671,204.15

Finding the Fourth Proportional to 30,871,893.84, 46,312,876.31 and 12,671,204.15

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Solution

The fourth proportional to 30,871,893.84, 46,312,876.31 and 12,671,204.15 is: 19,008,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,893.84 : 46,312,876.31 = 12,671,204.15 : x
  2. Step 2: Convert to fraction form
    30,871,893.84/46,312,876.31 = 12,671,204.15/x
  3. Step 3: Cross multiply
    30,871,893.84x = 46,312,876.31 × 12,671,204.15
  4. Step 4: Simplify right side
    30,871,893.84x = 586,839,910,202,788.25
  5. Step 5: Solve for x
    x = 586,839,910,202,788.25/30,871,893.84
  6. Step 6: Final answer
    x = 19,008,873.03

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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.