Home / 18,697,666.54-25,615,683.71-17,998,461.58

Finding the Fourth Proportional to 18,697,666.54, 25,615,683.71 and 17,998,461.58

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Solution

The fourth proportional to 18,697,666.54, 25,615,683.71 and 17,998,461.58 is: 24,657,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,666.54 : 25,615,683.71 = 17,998,461.58 : x
  2. Step 2: Convert to fraction form
    18,697,666.54/25,615,683.71 = 17,998,461.58/x
  3. Step 3: Cross multiply
    18,697,666.54x = 25,615,683.71 × 17,998,461.58
  4. Step 4: Simplify right side
    18,697,666.54x = 461,042,898,945,835.31
  5. Step 5: Solve for x
    x = 461,042,898,945,835.31/18,697,666.54
  6. Step 6: Final answer
    x = 24,657,777.38

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Double scale
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Similar ratio
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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.