Home / 21,306,161.80-31,959,242.70-9,362,225.80

Finding the Fourth Proportional to 21,306,161.80, 31,959,242.70 and 9,362,225.80

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Solution

The fourth proportional to 21,306,161.80, 31,959,242.70 and 9,362,225.80 is: 14,043,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,161.80 : 31,959,242.70 = 9,362,225.80 : x
  2. Step 2: Convert to fraction form
    21,306,161.80/31,959,242.70 = 9,362,225.80/x
  3. Step 3: Cross multiply
    21,306,161.80x = 31,959,242.70 × 9,362,225.80
  4. Step 4: Simplify right side
    21,306,161.80x = 299,209,646,554,401.69
  5. Step 5: Solve for x
    x = 299,209,646,554,401.69/21,306,161.80
  6. Step 6: Final answer
    x = 14,043,338.70

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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.