Home / 15,696,369.56-21,662,783.84-8,727,741.92

Finding the Fourth Proportional to 15,696,369.56, 21,662,783.84 and 8,727,741.92

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Solution

The fourth proportional to 15,696,369.56, 21,662,783.84 and 8,727,741.92 is: 12,045,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,369.56 : 21,662,783.84 = 8,727,741.92 : x
  2. Step 2: Convert to fraction form
    15,696,369.56/21,662,783.84 = 8,727,741.92/x
  3. Step 3: Cross multiply
    15,696,369.56x = 21,662,783.84 × 8,727,741.92
  4. Step 4: Simplify right side
    15,696,369.56x = 189,067,186,624,266.56
  5. Step 5: Solve for x
    x = 189,067,186,624,266.56/15,696,369.56
  6. Step 6: Final answer
    x = 12,045,281.29

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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.