Home / 13,405,498.64-18,501,485.64-7,605,717.20

Finding the Fourth Proportional to 13,405,498.64, 18,501,485.64 and 7,605,717.20

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Solution

The fourth proportional to 13,405,498.64, 18,501,485.64 and 7,605,717.20 is: 10,496,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,498.64 : 18,501,485.64 = 7,605,717.20 : x
  2. Step 2: Convert to fraction form
    13,405,498.64/18,501,485.64 = 7,605,717.20/x
  3. Step 3: Cross multiply
    13,405,498.64x = 18,501,485.64 × 7,605,717.20
  4. Step 4: Simplify right side
    13,405,498.64x = 140,717,067,557,701.02
  5. Step 5: Solve for x
    x = 140,717,067,557,701.02/13,405,498.64
  6. Step 6: Final answer
    x = 10,496,966.31

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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.