Home / 8,690,815.40-13,048,664.70-4,911,679.40

Finding the Fourth Proportional to 8,690,815.40, 13,048,664.70 and 4,911,679.40

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Solution

The fourth proportional to 8,690,815.40, 13,048,664.70 and 4,911,679.40 is: 7,374,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,815.40 : 13,048,664.70 = 4,911,679.40 : x
  2. Step 2: Convert to fraction form
    8,690,815.40/13,048,664.70 = 4,911,679.40/x
  3. Step 3: Cross multiply
    8,690,815.40x = 13,048,664.70 × 4,911,679.40
  4. Step 4: Simplify right side
    8,690,815.40x = 64,090,857,604,497.18
  5. Step 5: Solve for x
    x = 64,090,857,604,497.18/8,690,815.40
  6. Step 6: Final answer
    x = 7,374,550.56

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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.