Home / 8,308,279.40-12,461,123.10-2,629,898.60

Finding the Fourth Proportional to 8,308,279.40, 12,461,123.10 and 2,629,898.60

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Solution

The fourth proportional to 8,308,279.40, 12,461,123.10 and 2,629,898.60 is: 3,944,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,279.40 : 12,461,123.10 = 2,629,898.60 : x
  2. Step 2: Convert to fraction form
    8,308,279.40/12,461,123.10 = 2,629,898.60/x
  3. Step 3: Cross multiply
    8,308,279.40x = 12,461,123.10 × 2,629,898.60
  4. Step 4: Simplify right side
    8,308,279.40x = 32,771,490,195,117.66
  5. Step 5: Solve for x
    x = 32,771,490,195,117.66/8,308,279.40
  6. Step 6: Final answer
    x = 3,944,437.66

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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.