Home / 30,871,892.34-46,312,874.06-12,671,202.65

Finding the Fourth Proportional to 30,871,892.34, 46,312,874.06 and 12,671,202.65

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Solution

The fourth proportional to 30,871,892.34, 46,312,874.06 and 12,671,202.65 is: 19,008,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,892.34 : 46,312,874.06 = 12,671,202.65 : x
  2. Step 2: Convert to fraction form
    30,871,892.34/46,312,874.06 = 12,671,202.65/x
  3. Step 3: Cross multiply
    30,871,892.34x = 46,312,874.06 × 12,671,202.65
  4. Step 4: Simplify right side
    30,871,892.34x = 586,839,812,223,267.88
  5. Step 5: Solve for x
    x = 586,839,812,223,267.88/30,871,892.34
  6. Step 6: Final answer
    x = 19,008,870.78

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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.