Home / 18,398,899.36-25,390,649.03-10,139,258.00

Finding the Fourth Proportional to 18,398,899.36, 25,390,649.03 and 10,139,258.00

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Solution

The fourth proportional to 18,398,899.36, 25,390,649.03 and 10,139,258.00 is: 13,992,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,899.36 : 25,390,649.03 = 10,139,258.00 : x
  2. Step 2: Convert to fraction form
    18,398,899.36/25,390,649.03 = 10,139,258.00/x
  3. Step 3: Cross multiply
    18,398,899.36x = 25,390,649.03 × 10,139,258.00
  4. Step 4: Simplify right side
    18,398,899.36x = 257,442,341,336,694.62
  5. Step 5: Solve for x
    x = 257,442,341,336,694.62/18,398,899.36
  6. Step 6: Final answer
    x = 13,992,268.57

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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.