Home / 20,363,257.20-30,544,885.80-19,579,436.40

Finding the Fourth Proportional to 20,363,257.20, 30,544,885.80 and 19,579,436.40

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Solution

The fourth proportional to 20,363,257.20, 30,544,885.80 and 19,579,436.40 is: 29,369,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363,257.20 : 30,544,885.80 = 19,579,436.40 : x
  2. Step 2: Convert to fraction form
    20,363,257.20/30,544,885.80 = 19,579,436.40/x
  3. Step 3: Cross multiply
    20,363,257.20x = 30,544,885.80 × 19,579,436.40
  4. Step 4: Simplify right side
    20,363,257.20x = 598,051,648,866,363.12
  5. Step 5: Solve for x
    x = 598,051,648,866,363.12/20,363,257.20
  6. Step 6: Final answer
    x = 29,369,154.60

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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.