Home / 20,142,271.96-27,796,339.28-10,974,914.72

Finding the Fourth Proportional to 20,142,271.96, 27,796,339.28 and 10,974,914.72

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Solution

The fourth proportional to 20,142,271.96, 27,796,339.28 and 10,974,914.72 is: 15,145,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,271.96 : 27,796,339.28 = 10,974,914.72 : x
  2. Step 2: Convert to fraction form
    20,142,271.96/27,796,339.28 = 10,974,914.72/x
  3. Step 3: Cross multiply
    20,142,271.96x = 27,796,339.28 × 10,974,914.72
  4. Step 4: Simplify right side
    20,142,271.96x = 305,062,453,126,186.25
  5. Step 5: Solve for x
    x = 305,062,453,126,186.25/20,142,271.96
  6. Step 6: Final answer
    x = 15,145,384.48

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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.