Home / 20,582,000.30-30,873,000.45-5,435,931.80

Finding the Fourth Proportional to 20,582,000.30, 30,873,000.45 and 5,435,931.80

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Solution

The fourth proportional to 20,582,000.30, 30,873,000.45 and 5,435,931.80 is: 8,153,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,000.30 : 30,873,000.45 = 5,435,931.80 : x
  2. Step 2: Convert to fraction form
    20,582,000.30/30,873,000.45 = 5,435,931.80/x
  3. Step 3: Cross multiply
    20,582,000.30x = 30,873,000.45 × 5,435,931.80
  4. Step 4: Simplify right side
    20,582,000.30x = 167,823,524,907,569.31
  5. Step 5: Solve for x
    x = 167,823,524,907,569.31/20,582,000.30
  6. Step 6: Final answer
    x = 8,153,897.70

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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.