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Finding the Fourth Proportional to 17,717,617.80, 26,539,101.90 and 17,717,617.80

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Solution

The fourth proportional to 17,717,617.80, 26,539,101.90 and 17,717,617.80 is: 26,539,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717,617.80 : 26,539,101.90 = 17,717,617.80 : x
  2. Step 2: Convert to fraction form
    17,717,617.80/26,539,101.90 = 17,717,617.80/x
  3. Step 3: Cross multiply
    17,717,617.80x = 26,539,101.90 × 17,717,617.80
  4. Step 4: Simplify right side
    17,717,617.80x = 470,209,664,219,453.81
  5. Step 5: Solve for x
    x = 470,209,664,219,453.81/17,717,617.80
  6. Step 6: Final answer
    x = 26,539,101.90

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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.