Home / 8,424,152.40-12,636,228.60-4,597,777.20

Finding the Fourth Proportional to 8,424,152.40, 12,636,228.60 and 4,597,777.20

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Solution

The fourth proportional to 8,424,152.40, 12,636,228.60 and 4,597,777.20 is: 6,896,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,152.40 : 12,636,228.60 = 4,597,777.20 : x
  2. Step 2: Convert to fraction form
    8,424,152.40/12,636,228.60 = 4,597,777.20/x
  3. Step 3: Cross multiply
    8,424,152.40x = 12,636,228.60 × 4,597,777.20
  4. Step 4: Simplify right side
    8,424,152.40x = 58,098,563,751,067.92
  5. Step 5: Solve for x
    x = 58,098,563,751,067.92/8,424,152.40
  6. Step 6: Final answer
    x = 6,896,665.80

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Similar ratio
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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.