Home / 8,470,472.98-12,708,081.15-3,425,326.42

Finding the Fourth Proportional to 8,470,472.98, 12,708,081.15 and 3,425,326.42

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Solution

The fourth proportional to 8,470,472.98, 12,708,081.15 and 3,425,326.42 is: 5,138,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,472.98 : 12,708,081.15 = 3,425,326.42 : x
  2. Step 2: Convert to fraction form
    8,470,472.98/12,708,081.15 = 3,425,326.42/x
  3. Step 3: Cross multiply
    8,470,472.98x = 12,708,081.15 × 3,425,326.42
  4. Step 4: Simplify right side
    8,470,472.98x = 43,529,326,110,598.98
  5. Step 5: Solve for x
    x = 43,529,326,110,598.98/8,470,472.98
  6. Step 6: Final answer
    x = 5,138,948.70

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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.