Home / 10,521,682.56-14,518,364.64-6,389,564.64

Finding the Fourth Proportional to 10,521,682.56, 14,518,364.64 and 6,389,564.64

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Solution

The fourth proportional to 10,521,682.56, 14,518,364.64 and 6,389,564.64 is: 8,816,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,682.56 : 14,518,364.64 = 6,389,564.64 : x
  2. Step 2: Convert to fraction form
    10,521,682.56/14,518,364.64 = 6,389,564.64/x
  3. Step 3: Cross multiply
    10,521,682.56x = 14,518,364.64 × 6,389,564.64
  4. Step 4: Simplify right side
    10,521,682.56x = 92,766,029,334,370.33
  5. Step 5: Solve for x
    x = 92,766,029,334,370.33/10,521,682.56
  6. Step 6: Final answer
    x = 8,816,653.50

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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.