Home / 30,755,428.20-46,129,643.10-8,038,621.80

Finding the Fourth Proportional to 30,755,428.20, 46,129,643.10 and 8,038,621.80

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Solution

The fourth proportional to 30,755,428.20, 46,129,643.10 and 8,038,621.80 is: 12,057,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,428.20 : 46,129,643.10 = 8,038,621.80 : x
  2. Step 2: Convert to fraction form
    30,755,428.20/46,129,643.10 = 8,038,621.80/x
  3. Step 3: Cross multiply
    30,755,428.20x = 46,129,643.10 × 8,038,621.80
  4. Step 4: Simplify right side
    30,755,428.20x = 370,818,754,649,879.56
  5. Step 5: Solve for x
    x = 370,818,754,649,879.56/30,755,428.20
  6. Step 6: Final answer
    x = 12,057,018.11

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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.