Home / 8,470,393.98-12,707,962.65-3,425,247.42

Finding the Fourth Proportional to 8,470,393.98, 12,707,962.65 and 3,425,247.42

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Solution

The fourth proportional to 8,470,393.98, 12,707,962.65 and 3,425,247.42 is: 5,138,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,393.98 : 12,707,962.65 = 3,425,247.42 : x
  2. Step 2: Convert to fraction form
    8,470,393.98/12,707,962.65 = 3,425,247.42/x
  3. Step 3: Cross multiply
    8,470,393.98x = 12,707,962.65 × 3,425,247.42
  4. Step 4: Simplify right side
    8,470,393.98x = 43,527,916,280,368.87
  5. Step 5: Solve for x
    x = 43,527,916,280,368.87/8,470,393.98
  6. Step 6: Final answer
    x = 5,138,830.19

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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.