Home / 8,123,323.20-12,184,984.80-3,074,798.40

Finding the Fourth Proportional to 8,123,323.20, 12,184,984.80 and 3,074,798.40

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Solution

The fourth proportional to 8,123,323.20, 12,184,984.80 and 3,074,798.40 is: 4,612,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,323.20 : 12,184,984.80 = 3,074,798.40 : x
  2. Step 2: Convert to fraction form
    8,123,323.20/12,184,984.80 = 3,074,798.40/x
  3. Step 3: Cross multiply
    8,123,323.20x = 12,184,984.80 × 3,074,798.40
  4. Step 4: Simplify right side
    8,123,323.20x = 37,466,371,767,064.32
  5. Step 5: Solve for x
    x = 37,466,371,767,064.32/8,123,323.20
  6. Step 6: Final answer
    x = 4,612,197.60

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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.