Home / 8,137,362.80-12,192,047.40-5,296,012.40

Finding the Fourth Proportional to 8,137,362.80, 12,192,047.40 and 5,296,012.40

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Solution

The fourth proportional to 8,137,362.80, 12,192,047.40 and 5,296,012.40 is: 7,934,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,362.80 : 12,192,047.40 = 5,296,012.40 : x
  2. Step 2: Convert to fraction form
    8,137,362.80/12,192,047.40 = 5,296,012.40/x
  3. Step 3: Cross multiply
    8,137,362.80x = 12,192,047.40 × 5,296,012.40
  4. Step 4: Simplify right side
    8,137,362.80x = 64,569,234,211,787.77
  5. Step 5: Solve for x
    x = 64,569,234,211,787.77/8,137,362.80
  6. Step 6: Final answer
    x = 7,934,909.11

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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.