Home / 8,312,363.40-12,476,418.30-5,123,717.40

Finding the Fourth Proportional to 8,312,363.40, 12,476,418.30 and 5,123,717.40

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Solution

The fourth proportional to 8,312,363.40, 12,476,418.30 and 5,123,717.40 is: 7,690,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,363.40 : 12,476,418.30 = 5,123,717.40 : x
  2. Step 2: Convert to fraction form
    8,312,363.40/12,476,418.30 = 5,123,717.40/x
  3. Step 3: Cross multiply
    8,312,363.40x = 12,476,418.30 × 5,123,717.40
  4. Step 4: Simplify right side
    8,312,363.40x = 63,925,641,533,388.43
  5. Step 5: Solve for x
    x = 63,925,641,533,388.43/8,312,363.40
  6. Step 6: Final answer
    x = 7,690,429.12

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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.