Home / 18,218,337.86-25,141,304.46-9,958,433.33

Finding the Fourth Proportional to 18,218,337.86, 25,141,304.46 and 9,958,433.33

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Solution

The fourth proportional to 18,218,337.86, 25,141,304.46 and 9,958,433.33 is: 13,742,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,337.86 : 25,141,304.46 = 9,958,433.33 : x
  2. Step 2: Convert to fraction form
    18,218,337.86/25,141,304.46 = 9,958,433.33/x
  3. Step 3: Cross multiply
    18,218,337.86x = 25,141,304.46 × 9,958,433.33
  4. Step 4: Simplify right side
    18,218,337.86x = 250,368,004,356,994.91
  5. Step 5: Solve for x
    x = 250,368,004,356,994.91/18,218,337.86
  6. Step 6: Final answer
    x = 13,742,637.02

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1.5x scale

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.