Home / 7,102,867.20-10,654,300.80-3,113,779.20

Finding the Fourth Proportional to 7,102,867.20, 10,654,300.80 and 3,113,779.20

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Solution

The fourth proportional to 7,102,867.20, 10,654,300.80 and 3,113,779.20 is: 4,670,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,867.20 : 10,654,300.80 = 3,113,779.20 : x
  2. Step 2: Convert to fraction form
    7,102,867.20/10,654,300.80 = 3,113,779.20/x
  3. Step 3: Cross multiply
    7,102,867.20x = 10,654,300.80 × 3,113,779.20
  4. Step 4: Simplify right side
    7,102,867.20x = 33,175,140,221,583.36
  5. Step 5: Solve for x
    x = 33,175,140,221,583.36/7,102,867.20
  6. Step 6: Final answer
    x = 4,670,668.80

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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.