Home / 20,282,555.84-30,423,568.02-4,929,800.92

Finding the Fourth Proportional to 20,282,555.84, 30,423,568.02 and 4,929,800.92

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Solution

The fourth proportional to 20,282,555.84, 30,423,568.02 and 4,929,800.92 is: 7,394,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282,555.84 : 30,423,568.02 = 4,929,800.92 : x
  2. Step 2: Convert to fraction form
    20,282,555.84/30,423,568.02 = 4,929,800.92/x
  3. Step 3: Cross multiply
    20,282,555.84x = 30,423,568.02 × 4,929,800.92
  4. Step 4: Simplify right side
    20,282,555.84x = 149,982,133,634,031.16
  5. Step 5: Solve for x
    x = 149,982,133,634,031.16/20,282,555.84
  6. Step 6: Final answer
    x = 7,394,636.79

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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.