Home / 12,213,281.40-18,319,922.10-4,235,105.40

Finding the Fourth Proportional to 12,213,281.40, 18,319,922.10 and 4,235,105.40

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Solution

The fourth proportional to 12,213,281.40, 18,319,922.10 and 4,235,105.40 is: 6,352,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213,281.40 : 18,319,922.10 = 4,235,105.40 : x
  2. Step 2: Convert to fraction form
    12,213,281.40/18,319,922.10 = 4,235,105.40/x
  3. Step 3: Cross multiply
    12,213,281.40x = 18,319,922.10 × 4,235,105.40
  4. Step 4: Simplify right side
    12,213,281.40x = 77,586,801,013,289.36
  5. Step 5: Solve for x
    x = 77,586,801,013,289.36/12,213,281.40
  6. Step 6: Final answer
    x = 6,352,658.10

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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.