Home / 11,539,859.34-15,841,614.50-9,905,429.19

Finding the Fourth Proportional to 11,539,859.34, 15,841,614.50 and 9,905,429.19

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Solution

The fourth proportional to 11,539,859.34, 15,841,614.50 and 9,905,429.19 is: 13,597,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,859.34 : 15,841,614.50 = 9,905,429.19 : x
  2. Step 2: Convert to fraction form
    11,539,859.34/15,841,614.50 = 9,905,429.19/x
  3. Step 3: Cross multiply
    11,539,859.34x = 15,841,614.50 × 9,905,429.19
  4. Step 4: Simplify right side
    11,539,859.34x = 156,917,990,709,790.81
  5. Step 5: Solve for x
    x = 156,917,990,709,790.81/11,539,859.34
  6. Step 6: Final answer
    x = 13,597,911.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.