Home / 30,755,428.70-46,129,643.85-8,038,622.30

Finding the Fourth Proportional to 30,755,428.70, 46,129,643.85 and 8,038,622.30

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Solution

The fourth proportional to 30,755,428.70, 46,129,643.85 and 8,038,622.30 is: 12,057,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,428.70 : 46,129,643.85 = 8,038,622.30 : x
  2. Step 2: Convert to fraction form
    30,755,428.70/46,129,643.85 = 8,038,622.30/x
  3. Step 3: Cross multiply
    30,755,428.70x = 46,129,643.85 × 8,038,622.30
  4. Step 4: Simplify right side
    30,755,428.70x = 370,818,783,743,667.88
  5. Step 5: Solve for x
    x = 370,818,783,743,667.88/30,755,428.70
  6. Step 6: Final answer
    x = 12,057,018.86

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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.