Home / 15,945,369.40-23,918,054.10-12,756,723.40

Finding the Fourth Proportional to 15,945,369.40, 23,918,054.10 and 12,756,723.40

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Solution

The fourth proportional to 15,945,369.40, 23,918,054.10 and 12,756,723.40 is: 19,135,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,369.40 : 23,918,054.10 = 12,756,723.40 : x
  2. Step 2: Convert to fraction form
    15,945,369.40/23,918,054.10 = 12,756,723.40/x
  3. Step 3: Cross multiply
    15,945,369.40x = 23,918,054.10 × 12,756,723.40
  4. Step 4: Simplify right side
    15,945,369.40x = 305,116,000,419,935.94
  5. Step 5: Solve for x
    x = 305,116,000,419,935.94/15,945,369.40
  6. Step 6: Final answer
    x = 19,135,085.10

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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.