Home / 20,853,401.80-31,283,055.15-6,474,970.30

Finding the Fourth Proportional to 20,853,401.80, 31,283,055.15 and 6,474,970.30

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Solution

The fourth proportional to 20,853,401.80, 31,283,055.15 and 6,474,970.30 is: 9,713,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,401.80 : 31,283,055.15 = 6,474,970.30 : x
  2. Step 2: Convert to fraction form
    20,853,401.80/31,283,055.15 = 6,474,970.30/x
  3. Step 3: Cross multiply
    20,853,401.80x = 31,283,055.15 × 6,474,970.30
  4. Step 4: Simplify right side
    20,853,401.80x = 202,556,852,989,512.03
  5. Step 5: Solve for x
    x = 202,556,852,989,512.03/20,853,401.80
  6. Step 6: Final answer
    x = 9,713,372.18

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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.