Home / 18,697,668.55-25,615,686.44-17,998,463.59

Finding the Fourth Proportional to 18,697,668.55, 25,615,686.44 and 17,998,463.59

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Solution

The fourth proportional to 18,697,668.55, 25,615,686.44 and 17,998,463.59 is: 24,657,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,668.55 : 25,615,686.44 = 17,998,463.59 : x
  2. Step 2: Convert to fraction form
    18,697,668.55/25,615,686.44 = 17,998,463.59/x
  3. Step 3: Cross multiply
    18,697,668.55x = 25,615,686.44 × 17,998,463.59
  4. Step 4: Simplify right side
    18,697,668.55x = 461,042,999,723,196.75
  5. Step 5: Solve for x
    x = 461,042,999,723,196.75/18,697,668.55
  6. Step 6: Final answer
    x = 24,657,780.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.