Home / 18,338,032.56-25,307,091.66-10,078,387.62

Finding the Fourth Proportional to 18,338,032.56, 25,307,091.66 and 10,078,387.62

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Solution

The fourth proportional to 18,338,032.56, 25,307,091.66 and 10,078,387.62 is: 13,908,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,032.56 : 25,307,091.66 = 10,078,387.62 : x
  2. Step 2: Convert to fraction form
    18,338,032.56/25,307,091.66 = 10,078,387.62/x
  3. Step 3: Cross multiply
    18,338,032.56x = 25,307,091.66 × 10,078,387.62
  4. Step 4: Simplify right side
    18,338,032.56x = 255,054,679,284,349.22
  5. Step 5: Solve for x
    x = 255,054,679,284,349.22/18,338,032.56
  6. Step 6: Final answer
    x = 13,908,508.37

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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.