Home / 30,645,601.34-42,291,255.75-16,895,057.54

Finding the Fourth Proportional to 30,645,601.34, 42,291,255.75 and 16,895,057.54

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Solution

The fourth proportional to 30,645,601.34, 42,291,255.75 and 16,895,057.54 is: 23,315,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,601.34 : 42,291,255.75 = 16,895,057.54 : x
  2. Step 2: Convert to fraction form
    30,645,601.34/42,291,255.75 = 16,895,057.54/x
  3. Step 3: Cross multiply
    30,645,601.34x = 42,291,255.75 × 16,895,057.54
  4. Step 4: Simplify right side
    30,645,601.34x = 714,513,199,335,105.88
  5. Step 5: Solve for x
    x = 714,513,199,335,105.88/30,645,601.34
  6. Step 6: Final answer
    x = 23,315,359.08

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1.5x scale

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.