Home / 18,437,945.40-27,656,918.10-14,630,815.80

Finding the Fourth Proportional to 18,437,945.40, 27,656,918.10 and 14,630,815.80

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Solution

The fourth proportional to 18,437,945.40, 27,656,918.10 and 14,630,815.80 is: 21,946,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437,945.40 : 27,656,918.10 = 14,630,815.80 : x
  2. Step 2: Convert to fraction form
    18,437,945.40/27,656,918.10 = 14,630,815.80/x
  3. Step 3: Cross multiply
    18,437,945.40x = 27,656,918.10 × 14,630,815.80
  4. Step 4: Simplify right side
    18,437,945.40x = 404,643,274,316,786
  5. Step 5: Solve for x
    x = 404,643,274,316,786/18,437,945.40
  6. Step 6: Final answer
    x = 21,946,223.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.