Home / 18,178,858.16-25,088,053.56-10,446,982.64

Finding the Fourth Proportional to 18,178,858.16, 25,088,053.56 and 10,446,982.64

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Solution

The fourth proportional to 18,178,858.16, 25,088,053.56 and 10,446,982.64 is: 14,417,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,858.16 : 25,088,053.56 = 10,446,982.64 : x
  2. Step 2: Convert to fraction form
    18,178,858.16/25,088,053.56 = 10,446,982.64/x
  3. Step 3: Cross multiply
    18,178,858.16x = 25,088,053.56 × 10,446,982.64
  4. Step 4: Simplify right side
    18,178,858.16x = 262,094,460,012,710.19
  5. Step 5: Solve for x
    x = 262,094,460,012,710.19/18,178,858.16
  6. Step 6: Final answer
    x = 14,417,542.49

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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.