Home / 10,149,638.80-15,227,267.58-4,686,405.28

Finding the Fourth Proportional to 10,149,638.80, 15,227,267.58 and 4,686,405.28

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Solution

The fourth proportional to 10,149,638.80, 15,227,267.58 and 4,686,405.28 is: 7,030,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149,638.80 : 15,227,267.58 = 4,686,405.28 : x
  2. Step 2: Convert to fraction form
    10,149,638.80/15,227,267.58 = 4,686,405.28/x
  3. Step 3: Cross multiply
    10,149,638.80x = 15,227,267.58 × 4,686,405.28
  4. Step 4: Simplify right side
    10,149,638.80x = 71,361,147,186,884.83
  5. Step 5: Solve for x
    x = 71,361,147,186,884.83/10,149,638.80
  6. Step 6: Final answer
    x = 7,030,905.10

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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.