Home / 30,613,487.21-42,246,250.32-16,674,798.54

Finding the Fourth Proportional to 30,613,487.21, 42,246,250.32 and 16,674,798.54

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Solution

The fourth proportional to 30,613,487.21, 42,246,250.32 and 16,674,798.54 is: 23,011,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613,487.21 : 42,246,250.32 = 16,674,798.54 : x
  2. Step 2: Convert to fraction form
    30,613,487.21/42,246,250.32 = 16,674,798.54/x
  3. Step 3: Cross multiply
    30,613,487.21x = 42,246,250.32 × 16,674,798.54
  4. Step 4: Simplify right side
    30,613,487.21x = 704,447,713,156,410.50
  5. Step 5: Solve for x
    x = 704,447,713,156,410.50/30,613,487.21
  6. Step 6: Final answer
    x = 23,011,024.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.