Home / 18,664,290.72-25,755,410.16-10,291,288.32

Finding the Fourth Proportional to 18,664,290.72, 25,755,410.16 and 10,291,288.32

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Solution

The fourth proportional to 18,664,290.72, 25,755,410.16 and 10,291,288.32 is: 14,201,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,290.72 : 25,755,410.16 = 10,291,288.32 : x
  2. Step 2: Convert to fraction form
    18,664,290.72/25,755,410.16 = 10,291,288.32/x
  3. Step 3: Cross multiply
    18,664,290.72x = 25,755,410.16 × 10,291,288.32
  4. Step 4: Simplify right side
    18,664,290.72x = 265,056,351,756,417.34
  5. Step 5: Solve for x
    x = 265,056,351,756,417.34/18,664,290.72
  6. Step 6: Final answer
    x = 14,201,254.99

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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.