Home / 30,431,503.20-45,651,518.64-9,962,824.80

Finding the Fourth Proportional to 30,431,503.20, 45,651,518.64 and 9,962,824.80

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Solution

The fourth proportional to 30,431,503.20, 45,651,518.64 and 9,962,824.80 is: 14,945,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,503.20 : 45,651,518.64 = 9,962,824.80 : x
  2. Step 2: Convert to fraction form
    30,431,503.20/45,651,518.64 = 9,962,824.80/x
  3. Step 3: Cross multiply
    30,431,503.20x = 45,651,518.64 × 9,962,824.80
  4. Step 4: Simplify right side
    30,431,503.20x = 454,818,082,064,254.31
  5. Step 5: Solve for x
    x = 454,818,082,064,254.31/30,431,503.20
  6. Step 6: Final answer
    x = 14,945,633.12

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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.