Home / 13,119,379.76-19,686,543.24-10,476,783.92

Finding the Fourth Proportional to 13,119,379.76, 19,686,543.24 and 10,476,783.92

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Solution

The fourth proportional to 13,119,379.76, 19,686,543.24 and 10,476,783.92 is: 15,721,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,379.76 : 19,686,543.24 = 10,476,783.92 : x
  2. Step 2: Convert to fraction form
    13,119,379.76/19,686,543.24 = 10,476,783.92/x
  3. Step 3: Cross multiply
    13,119,379.76x = 19,686,543.24 × 10,476,783.92
  4. Step 4: Simplify right side
    13,119,379.76x = 206,251,659,657,216.69
  5. Step 5: Solve for x
    x = 206,251,659,657,216.69/13,119,379.76
  6. Step 6: Final answer
    x = 15,721,144.10

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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.