Home / 30,431,523.45-45,651,549.02-9,962,845.05

Finding the Fourth Proportional to 30,431,523.45, 45,651,549.02 and 9,962,845.05

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Solution

The fourth proportional to 30,431,523.45, 45,651,549.02 and 9,962,845.05 is: 14,945,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,523.45 : 45,651,549.02 = 9,962,845.05 : x
  2. Step 2: Convert to fraction form
    30,431,523.45/45,651,549.02 = 9,962,845.05/x
  3. Step 3: Cross multiply
    30,431,523.45x = 45,651,549.02 × 9,962,845.05
  4. Step 4: Simplify right side
    30,431,523.45x = 454,819,309,128,925.19
  5. Step 5: Solve for x
    x = 454,819,309,128,925.19/30,431,523.45
  6. Step 6: Final answer
    x = 14,945,663.50

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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.