Home / 30,468,776.80-45,672,889.20-15,276,339.04

Finding the Fourth Proportional to 30,468,776.80, 45,672,889.20 and 15,276,339.04

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Solution

The fourth proportional to 30,468,776.80, 45,672,889.20 and 15,276,339.04 is: 22,899,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,776.80 : 45,672,889.20 = 15,276,339.04 : x
  2. Step 2: Convert to fraction form
    30,468,776.80/45,672,889.20 = 15,276,339.04/x
  3. Step 3: Cross multiply
    30,468,776.80x = 45,672,889.20 × 15,276,339.04
  4. Step 4: Simplify right side
    30,468,776.80x = 697,714,540,355,554.38
  5. Step 5: Solve for x
    x = 697,714,540,355,554.38/30,468,776.80
  6. Step 6: Final answer
    x = 22,899,328.87

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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.