Home / 8,310,830.40-12,445,250.40-6,631,214.40

Finding the Fourth Proportional to 8,310,830.40, 12,445,250.40 and 6,631,214.40

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Solution

The fourth proportional to 8,310,830.40, 12,445,250.40 and 6,631,214.40 is: 9,930,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,830.40 : 12,445,250.40 = 6,631,214.40 : x
  2. Step 2: Convert to fraction form
    8,310,830.40/12,445,250.40 = 6,631,214.40/x
  3. Step 3: Cross multiply
    8,310,830.40x = 12,445,250.40 × 6,631,214.40
  4. Step 4: Simplify right side
    8,310,830.40x = 82,527,123,664,085.77
  5. Step 5: Solve for x
    x = 82,527,123,664,085.77/8,310,830.40
  6. Step 6: Final answer
    x = 9,930,069.52

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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.