Home / 20,997,613.80-31,496,420.70-17,410,387.05

Finding the Fourth Proportional to 20,997,613.80, 31,496,420.70 and 17,410,387.05

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Solution

The fourth proportional to 20,997,613.80, 31,496,420.70 and 17,410,387.05 is: 26,115,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,613.80 : 31,496,420.70 = 17,410,387.05 : x
  2. Step 2: Convert to fraction form
    20,997,613.80/31,496,420.70 = 17,410,387.05/x
  3. Step 3: Cross multiply
    20,997,613.80x = 31,496,420.70 × 17,410,387.05
  4. Step 4: Simplify right side
    20,997,613.80x = 548,364,875,076,631.94
  5. Step 5: Solve for x
    x = 548,364,875,076,631.94/20,997,613.80
  6. Step 6: Final answer
    x = 26,115,580.58

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1.5x scale

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.