Home / 11,389,712.42-15,725,138.78-10,163,909.86

Finding the Fourth Proportional to 11,389,712.42, 15,725,138.78 and 10,163,909.86

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Solution

The fourth proportional to 11,389,712.42, 15,725,138.78 and 10,163,909.86 is: 14,032,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389,712.42 : 15,725,138.78 = 10,163,909.86 : x
  2. Step 2: Convert to fraction form
    11,389,712.42/15,725,138.78 = 10,163,909.86/x
  3. Step 3: Cross multiply
    11,389,712.42x = 15,725,138.78 × 10,163,909.86
  4. Step 4: Simplify right side
    11,389,712.42x = 159,828,893,095,910.34
  5. Step 5: Solve for x
    x = 159,828,893,095,910.34/11,389,712.42
  6. Step 6: Final answer
    x = 14,032,741.76

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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.