Home / 30,570,348.27-42,187,415.10-16,631,782.62

Finding the Fourth Proportional to 30,570,348.27, 42,187,415.10 and 16,631,782.62

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Solution

The fourth proportional to 30,570,348.27, 42,187,415.10 and 16,631,782.62 is: 22,952,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,348.27 : 42,187,415.10 = 16,631,782.62 : x
  2. Step 2: Convert to fraction form
    30,570,348.27/42,187,415.10 = 16,631,782.62/x
  3. Step 3: Cross multiply
    30,570,348.27x = 42,187,415.10 × 16,631,782.62
  4. Step 4: Simplify right side
    30,570,348.27x = 701,651,917,242,905.50
  5. Step 5: Solve for x
    x = 701,651,917,242,905.50/30,570,348.27
  6. Step 6: Final answer
    x = 22,952,041.99

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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.