Home / 30,343,343.80-45,515,015.70-9,874,992.10

Finding the Fourth Proportional to 30,343,343.80, 45,515,015.70 and 9,874,992.10

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Solution

The fourth proportional to 30,343,343.80, 45,515,015.70 and 9,874,992.10 is: 14,812,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,343.80 : 45,515,015.70 = 9,874,992.10 : x
  2. Step 2: Convert to fraction form
    30,343,343.80/45,515,015.70 = 9,874,992.10/x
  3. Step 3: Cross multiply
    30,343,343.80x = 45,515,015.70 × 9,874,992.10
  4. Step 4: Simplify right side
    30,343,343.80x = 449,460,420,468,876
  5. Step 5: Solve for x
    x = 449,460,420,468,876/30,343,343.80
  6. Step 6: Final answer
    x = 14,812,488.15

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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.