Home / 30,353,257.28-45,529,963.68-12,402,361.28

Finding the Fourth Proportional to 30,353,257.28, 45,529,963.68 and 12,402,361.28

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Solution

The fourth proportional to 30,353,257.28, 45,529,963.68 and 12,402,361.28 is: 18,603,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,257.28 : 45,529,963.68 = 12,402,361.28 : x
  2. Step 2: Convert to fraction form
    30,353,257.28/45,529,963.68 = 12,402,361.28/x
  3. Step 3: Cross multiply
    30,353,257.28x = 45,529,963.68 × 12,402,361.28
  4. Step 4: Simplify right side
    30,353,257.28x = 564,679,058,624,638.25
  5. Step 5: Solve for x
    x = 564,679,058,624,638.25/30,353,257.28
  6. Step 6: Final answer
    x = 18,603,573.69

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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.