Home / 18,218,263.56-27,326,409.74-9,242,582.28

Finding the Fourth Proportional to 18,218,263.56, 27,326,409.74 and 9,242,582.28

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Solution

The fourth proportional to 18,218,263.56, 27,326,409.74 and 9,242,582.28 is: 13,863,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,263.56 : 27,326,409.74 = 9,242,582.28 : x
  2. Step 2: Convert to fraction form
    18,218,263.56/27,326,409.74 = 9,242,582.28/x
  3. Step 3: Cross multiply
    18,218,263.56x = 27,326,409.74 × 9,242,582.28
  4. Step 4: Simplify right side
    18,218,263.56x = 252,566,590,438,943.38
  5. Step 5: Solve for x
    x = 252,566,590,438,943.38/18,218,263.56
  6. Step 6: Final answer
    x = 13,863,373.40

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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.