Home / 8,191,178.40-12,296,098.80-4,827,280.80

Finding the Fourth Proportional to 8,191,178.40, 12,296,098.80 and 4,827,280.80

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Solution

The fourth proportional to 8,191,178.40, 12,296,098.80 and 4,827,280.80 is: 7,246,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,178.40 : 12,296,098.80 = 4,827,280.80 : x
  2. Step 2: Convert to fraction form
    8,191,178.40/12,296,098.80 = 4,827,280.80/x
  3. Step 3: Cross multiply
    8,191,178.40x = 12,296,098.80 × 4,827,280.80
  4. Step 4: Simplify right side
    8,191,178.40x = 59,356,721,652,143.04
  5. Step 5: Solve for x
    x = 59,356,721,652,143.04/8,191,178.40
  6. Step 6: Final answer
    x = 7,246,420.33

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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.