Home / 30,914,643.60-46,371,965.40-8,197,837.20

Finding the Fourth Proportional to 30,914,643.60, 46,371,965.40 and 8,197,837.20

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Solution

The fourth proportional to 30,914,643.60, 46,371,965.40 and 8,197,837.20 is: 12,296,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914,643.60 : 46,371,965.40 = 8,197,837.20 : x
  2. Step 2: Convert to fraction form
    30,914,643.60/46,371,965.40 = 8,197,837.20/x
  3. Step 3: Cross multiply
    30,914,643.60x = 46,371,965.40 × 8,197,837.20
  4. Step 4: Simplify right side
    30,914,643.60x = 380,149,822,993,232.88
  5. Step 5: Solve for x
    x = 380,149,822,993,232.88/30,914,643.60
  6. Step 6: Final answer
    x = 12,296,755.80

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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.