Home / 20,334,059.20-30,501,088.80-6,870,692.80

Finding the Fourth Proportional to 20,334,059.20, 30,501,088.80 and 6,870,692.80

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Solution

The fourth proportional to 20,334,059.20, 30,501,088.80 and 6,870,692.80 is: 10,306,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,059.20 : 30,501,088.80 = 6,870,692.80 : x
  2. Step 2: Convert to fraction form
    20,334,059.20/30,501,088.80 = 6,870,692.80/x
  3. Step 3: Cross multiply
    20,334,059.20x = 30,501,088.80 × 6,870,692.80
  4. Step 4: Simplify right side
    20,334,059.20x = 209,563,611,210,320.62
  5. Step 5: Solve for x
    x = 209,563,611,210,320.62/20,334,059.20
  6. Step 6: Final answer
    x = 10,306,039.20

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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.