Home / 12,482,692.40-18,724,038.60-5,764,228.40

Finding the Fourth Proportional to 12,482,692.40, 18,724,038.60 and 5,764,228.40

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Solution

The fourth proportional to 12,482,692.40, 18,724,038.60 and 5,764,228.40 is: 8,646,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,692.40 : 18,724,038.60 = 5,764,228.40 : x
  2. Step 2: Convert to fraction form
    12,482,692.40/18,724,038.60 = 5,764,228.40/x
  3. Step 3: Cross multiply
    12,482,692.40x = 18,724,038.60 × 5,764,228.40
  4. Step 4: Simplify right side
    12,482,692.40x = 107,929,635,060,816.25
  5. Step 5: Solve for x
    x = 107,929,635,060,816.25/12,482,692.40
  6. Step 6: Final answer
    x = 8,646,342.60

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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.