Home / 7,648,932.20-11,473,398.30-7,200,159.80

Finding the Fourth Proportional to 7,648,932.20, 11,473,398.30 and 7,200,159.80

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Solution

The fourth proportional to 7,648,932.20, 11,473,398.30 and 7,200,159.80 is: 10,800,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,932.20 : 11,473,398.30 = 7,200,159.80 : x
  2. Step 2: Convert to fraction form
    7,648,932.20/11,473,398.30 = 7,200,159.80/x
  3. Step 3: Cross multiply
    7,648,932.20x = 11,473,398.30 × 7,200,159.80
  4. Step 4: Simplify right side
    7,648,932.20x = 82,610,301,209,048.34
  5. Step 5: Solve for x
    x = 82,610,301,209,048.34/7,648,932.20
  6. Step 6: Final answer
    x = 10,800,239.70

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1.5x scale

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.