Home / 18,929,731.22-28,399,384.83-5,282,875.22

Finding the Fourth Proportional to 18,929,731.22, 28,399,384.83 and 5,282,875.22

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Solution

The fourth proportional to 18,929,731.22, 28,399,384.83 and 5,282,875.22 is: 7,925,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,731.22 : 28,399,384.83 = 5,282,875.22 : x
  2. Step 2: Convert to fraction form
    18,929,731.22/28,399,384.83 = 5,282,875.22/x
  3. Step 3: Cross multiply
    18,929,731.22x = 28,399,384.83 × 5,282,875.22
  4. Step 4: Simplify right side
    18,929,731.22x = 150,030,406,381,650.91
  5. Step 5: Solve for x
    x = 150,030,406,381,650.91/18,929,731.22
  6. Step 6: Final answer
    x = 7,925,649.06

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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.