Home / 11,615,894.28-16,030,323-6,389,123.49

Finding the Fourth Proportional to 11,615,894.28, 16,030,323 and 6,389,123.49

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Solution

The fourth proportional to 11,615,894.28, 16,030,323 and 6,389,123.49 is: 8,817,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,894.28 : 16,030,323 = 6,389,123.49 : x
  2. Step 2: Convert to fraction form
    11,615,894.28/16,030,323 = 6,389,123.49/x
  3. Step 3: Cross multiply
    11,615,894.28x = 16,030,323 × 6,389,123.49
  4. Step 4: Simplify right side
    11,615,894.28x = 102,419,713,231,587.28
  5. Step 5: Solve for x
    x = 102,419,713,231,587.28/11,615,894.28
  6. Step 6: Final answer
    x = 8,817,204.32

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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.