Home / 14,343,811.90-21,486,687.45-8,935,863.10

Finding the Fourth Proportional to 14,343,811.90, 21,486,687.45 and 8,935,863.10

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Solution

The fourth proportional to 14,343,811.90, 21,486,687.45 and 8,935,863.10 is: 13,385,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,811.90 : 21,486,687.45 = 8,935,863.10 : x
  2. Step 2: Convert to fraction form
    14,343,811.90/21,486,687.45 = 8,935,863.10/x
  3. Step 3: Cross multiply
    14,343,811.90x = 21,486,687.45 × 8,935,863.10
  4. Step 4: Simplify right side
    14,343,811.90x = 192,002,097,525,688.09
  5. Step 5: Solve for x
    x = 192,002,097,525,688.09/14,343,811.90
  6. Step 6: Final answer
    x = 13,385,709.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.