Home / 13,411,357.80-20,105,664.30-4,886,723.40

Finding the Fourth Proportional to 13,411,357.80, 20,105,664.30 and 4,886,723.40

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Solution

The fourth proportional to 13,411,357.80, 20,105,664.30 and 4,886,723.40 is: 7,325,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,357.80 : 20,105,664.30 = 4,886,723.40 : x
  2. Step 2: Convert to fraction form
    13,411,357.80/20,105,664.30 = 4,886,723.40/x
  3. Step 3: Cross multiply
    13,411,357.80x = 20,105,664.30 × 4,886,723.40
  4. Step 4: Simplify right side
    13,411,357.80x = 98,250,820,207,354.62
  5. Step 5: Solve for x
    x = 98,250,820,207,354.62/13,411,357.80
  6. Step 6: Final answer
    x = 7,325,941.32

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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.