Home / 18,389,435.21-25,377,110.55-10,130,270.07

Finding the Fourth Proportional to 18,389,435.21, 25,377,110.55 and 10,130,270.07

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Solution

The fourth proportional to 18,389,435.21, 25,377,110.55 and 10,130,270.07 is: 13,979,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,435.21 : 25,377,110.55 = 10,130,270.07 : x
  2. Step 2: Convert to fraction form
    18,389,435.21/25,377,110.55 = 10,130,270.07/x
  3. Step 3: Cross multiply
    18,389,435.21x = 25,377,110.55 × 10,130,270.07
  4. Step 4: Simplify right side
    18,389,435.21x = 257,076,983,467,746.25
  5. Step 5: Solve for x
    x = 257,076,983,467,746.25/18,389,435.21
  6. Step 6: Final answer
    x = 13,979,601.90

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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.