Home / 10,210,979.70-15,295,474.35-7,019,709.30

Finding the Fourth Proportional to 10,210,979.70, 15,295,474.35 and 7,019,709.30

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Solution

The fourth proportional to 10,210,979.70, 15,295,474.35 and 7,019,709.30 is: 10,515,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210,979.70 : 15,295,474.35 = 7,019,709.30 : x
  2. Step 2: Convert to fraction form
    10,210,979.70/15,295,474.35 = 7,019,709.30/x
  3. Step 3: Cross multiply
    10,210,979.70x = 15,295,474.35 × 7,019,709.30
  4. Step 4: Simplify right side
    10,210,979.70x = 107,369,783,542,606.45
  5. Step 5: Solve for x
    x = 107,369,783,542,606.45/10,210,979.70
  6. Step 6: Final answer
    x = 10,515,130.45

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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.