Home / 21,525,355.11-29,704,981.50-11,735,807.31

Finding the Fourth Proportional to 21,525,355.11, 29,704,981.50 and 11,735,807.31

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Solution

The fourth proportional to 21,525,355.11, 29,704,981.50 and 11,735,807.31 is: 16,195,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,355.11 : 29,704,981.50 = 11,735,807.31 : x
  2. Step 2: Convert to fraction form
    21,525,355.11/29,704,981.50 = 11,735,807.31/x
  3. Step 3: Cross multiply
    21,525,355.11x = 29,704,981.50 × 11,735,807.31
  4. Step 4: Simplify right side
    21,525,355.11x = 348,611,939,031,114.75
  5. Step 5: Solve for x
    x = 348,611,939,031,114.75/21,525,355.11
  6. Step 6: Final answer
    x = 16,195,409.43

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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.