Home / 18,181,368.98-25,090,822.90-9,921,964.35

Finding the Fourth Proportional to 18,181,368.98, 25,090,822.90 and 9,921,964.35

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Solution

The fourth proportional to 18,181,368.98, 25,090,822.90 and 9,921,964.35 is: 13,692,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,368.98 : 25,090,822.90 = 9,921,964.35 : x
  2. Step 2: Convert to fraction form
    18,181,368.98/25,090,822.90 = 9,921,964.35/x
  3. Step 3: Cross multiply
    18,181,368.98x = 25,090,822.90 × 9,921,964.35
  4. Step 4: Simplify right side
    18,181,368.98x = 248,950,250,325,963.59
  5. Step 5: Solve for x
    x = 248,950,250,325,963.59/18,181,368.98
  6. Step 6: Final answer
    x = 13,692,602.06

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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.