Home / 18,015,212.16-27,031,052.70-9,805,555.98

Finding the Fourth Proportional to 18,015,212.16, 27,031,052.70 and 9,805,555.98

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Solution

The fourth proportional to 18,015,212.16, 27,031,052.70 and 9,805,555.98 is: 14,712,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,212.16 : 27,031,052.70 = 9,805,555.98 : x
  2. Step 2: Convert to fraction form
    18,015,212.16/27,031,052.70 = 9,805,555.98/x
  3. Step 3: Cross multiply
    18,015,212.16x = 27,031,052.70 × 9,805,555.98
  4. Step 4: Simplify right side
    18,015,212.16x = 265,054,500,448,180.16
  5. Step 5: Solve for x
    x = 265,054,500,448,180.16/18,015,212.16
  6. Step 6: Final answer
    x = 14,712,815.93

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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.